Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
shang hai » shang kai, dang hai, chang ha
tan yang » dan yang, tan ying, tan yong
xi shang » xia shang, xi zhang, wei shang
han hua » wang hua, tuan hua
tan hua » tuan hua, wang hua, tan chia
yang xi » yang di, yang yi, yang jui
hong » long

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

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