Perhaps you should try some spelling variations:
yang yang » wang yan, wang yong
wang yang » wang yan, wang liang, wang yanling
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.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (wang yang)) yaa hua ren ((tang min) or (yang jin)) ((hong hai) OR (hong tan)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (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: "((yang yang) or (wang yang)) yaa hua ren ((tang min) or (yang jin)) ((hong hai) OR (hong tan)) ;*".