| Time | Engine | Last 20 Search Engines |
| 15-Jun-2013 17:45:44 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKmKIpNrxRmCIAkQizygt.?p=al%20phy%202008%20mc%20solution& |
| 16-Jun-2013 16:15:47 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKmL7wcr1RVlQAvXCzygt.?p=%E7%89%A9%E7%90%86&fr2=sb-top&fr |
| 16-Jun-2013 17:49:54 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKmJM7ir1REl0AX8uzygt.?p=PHY%20MC%201980&fr2=sb-top&fr=FP |
| 16-Jun-2013 22:23:54 | Yahoo | http://hk.search.yahoo.com/search?p=%E8%BD%89%E7%9F%A9&fr=FP-tab-web-t&ei=UTF-8&meta=rst%3Dhk |
| 16-Jun-2013 22:54:08 | Yahoo | http://hk.search.yahoo.com/search?p=%E7%89%A9%E7%90%86&fr=fp-handwrite&ei=UTF-8&meta=rst%3Dhk |
| 16-Jun-2013 23:12:43 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKmLhH1b1Rd3gA7g.zygt.?p=2007%20al%20phy%20MC&fr2=sb-top& |
| 16-Jun-2013 23:55:48 | Yahoo | http://hk.search.yahoo.com/search?p=%E7%89%A9%E7%90%86&fr=FP-tab-web-t&ei=UTF-8&meta=rst%3Dhk |
| 17-Jun-2013 01:04:30 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKmKSD771RD34Ac7Szygt.?p=phy al 05 3&fr2=sb-top&fr=FP-tab |
| 17-Jun-2013 19:11:53 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKmJDu7r5RozQAnzOzygt.?p=phy%20mc%20AL%202000%2024&fr2=sb |
| 17-Jun-2013 23:26:59 | Yahoo | http://hk.search.yahoo.com/search?p=phy motion&fr=FP-tab-web-t&ei=UTF-8&meta=rst%3Dhk |
| 18-Jun-2013 01:17:41 | Yahoo | http://hk.search.yahoo.com/search?p=wave phy&fr=FP-tab-web-t&ei=UTF-8&meta=rst%3Dhk |
| 18-Jun-2013 13:51:29 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKmJTZ879RA3wAJ5Ozygt.?p=phy%20refraction&fr2=sb-top&fr=F |
| 18-Jun-2013 14:16:44 | Yahoo | http://hk.search.yahoo.com/mobile/s?ei=UTF-8&r=web_filter&fr2=p&p=%E7%89%A9%E7%90%86 |
| 18-Jun-2013 16:03:03 | Yahoo | http://hk.search.yahoo.com/search?p=%E7%89%A9%E7%90%86&fr=fp-handwrite&ei=UTF-8&meta=rst%3Dhk |
| 18-Jun-2013 17:01:19 | Yahoo | http://hk.search.yahoo.com/search?p=phy al mc solution&fr=FP-tab-web-t&ei=UTF-8&meta=rst%3Dhk |
| 18-Jun-2013 18:48:31 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKmJL4OsBRwh8AMGWzygt.?p=Al1999%20mc%2020%20phy&fr2=sb-to |
| 18-Jun-2013 21:19:27 | Yahoo | http://hk.search.yahoo.com/search?p=al phy 09 mc ans&fr=FP-tab-web-t&ei=UTF-8&meta=rst%3Dhk |
| 18-Jun-2013 23:42:06 | Yahoo | http://tw.search.yahoo.com/search;_ylt=A8tUwYbyfsBRYEYARwZr1gt.;_ylc=X1MDMjExNDcwNTAwMwRfcgMyBGFvA |
| 18-Jun-2013 23:43:08 | Yahoo | http://tw.search.yahoo.com/search;_ylt=A8tUwYbyfsBRYEYARwZr1gt.;_ylc=X1MDMjExNDcwNTAwMwRfcgMyBGFvA |
| 19-Jun-2013 11:10:45 | Yahoo | http://hk.search.yahoo.com/search;_ylt=A2oKslUYIcFRXn0AURF6oolQ?&p=%E7%89%A9%E7%90%86&fr2=piv-answ |