Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yaa » yang yang, wang yan, yang yi
tang min » chang min, sang minh, tang li
yang jin » yang jun, ying jin, shang jin
hong hai » dang hai, hong ghi
ren » rent, rene, rein
tang » thang
tan » than

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: wang yang yaa hua ren ((tang min) OR (yang jin)) ((hong hai) OR (hong tan)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang yaa hua ren ((tang min) or (yang jin)) ((hong hai) OR (hong tan)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang yaa hua ren ((tang min) or (yang jin)) ((hong hai) OR (hong tan)) ;*.