Perhaps you should try some spelling variations:
yang yuan » fang yuan, yan yuan, yang yun
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
wang dan » wang yan, wang ban, wang yidan
dan yang » daun yang, tan yang, wang yang
hong ng » hong kong, hong jong, hong hong
jun » june, juan

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

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