Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
shang hai » shang kai, dang hai, chang ha
tan chia » tuan china, than china, can china
wing tan » wing ian, liang tan, hong tan
tan yang » dan yang, tan ying, tan yong
yang wei » wang wei, fang wei, zhang wei
han hua » tan 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 (wang hua))) OR (((tan chia) OR (wuhan china)))) tan yang wei shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing tan ((((han hua) OR (wang hua))) or (((tan chia) or (wuhan china)))) tan yang wei shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wing tan ((((han hua) OR (wang hua))) or (((tan chia) or (wuhan china)))) tan yang wei shang hai ;*.