Perhaps you should try some spelling variations:
than china » han china, wuhan china, can china
tuan china » wuhan china, can china, taiwan china
gain yang » dan yang, daun yang, tan yang
lin shang » bin zhang, jin chang, xia shang
shang hai » shang kai, dang hai, chang ha
wing tan » wing ian, liang tan, hong tan
yang lin » yang jin, wang lin, yang li
han hua » tan hua, wang hua, tuan hua

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wing tan ((han hua) OR (((than china) OR (tuan china)))) gain yang lin shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan ((han hua) or (((than china) OR (tuan china)))) gain yang lin shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wing tan ((han hua) or (((than china) OR (tuan china)))) gain yang lin shang hai ;*.