Perhaps you should try some spelling variations:
wang yang » wang liang, wang yanling
yang yuan » fang yuan, yan yuan, yang yun
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
hong jong » hong kong
tan wang » tan yang, yan wang, qian wang
yan jiu » yang jie, yang jin, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tan wang yang yuan wang yan jiu ((shang hai) or (hong jong)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tan wang yang yuan wang yan jiu ((shang hai) OR (hong jong)) ;.
• Adding a wildcard symbol may retrieve word variants: tan wang yang yuan wang yan jiu ((shang hai) or (hong jong)) ;*.