In order to change default search web site, open the following file by using Notepad:
"C:\Program Files\Kingsoft\Kingsoft Office 2009\office6\1033\resource\search\searchengine\config.xml"
search "
www.google.cn/search?client......."
then replace with "
www.google.com/search?client......."
save and close Notepad. Make sure you make a backup file before you do any change.