Perhaps you should try some spelling variations:
wang yuan » wang yuhan, wang yan, fang yuan
yuan wang » yan wang, yuan kang, yuan chang
jean yang » dan yang, tan yang
shang hai » shang kai, dang hai, chang ha
yang hui » yang jui, wang hui, yang muxi
wang du » wang d, wang di, yang du
du jean » dru jean, de jean
hong ng » hong kong, hong jong, hong hong

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yuan wang du jean yang hui ((shang hai) or (hong ng)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yuan wang du jean yang hui ((shang hai) OR (hong ng)) ;*.