Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
yang yang » wang yan
chai wang » chen wang
shang hai » shang kai, dang hai, chang ha
yang yao » wang yan, yang yi, yang fan
yang jin » yang jie, yang jun, ying jin
hong hai » zhong tai, dang hai, hong tan

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