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

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing tan ((han hua) or (tuan china)) gain yang li shang hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing tan ((han hua) OR (tuan china)) gain yang li shang hai ;*.