Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
sang minh » kang minah, anh minh, song min
lee sang » lee ann
hong hai » shang hai, zhong tai, dang hai
yang li » yang lin, yang di, yang xi
hui lee » zhuo lee
hong yu » wong yue
li hui » li hua, li kui, yi hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang li hui lee sang minh ((hong hai) or (hong yu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang li hui lee sang minh ((hong hai) OR (hong yu)) ;*.