Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
sang minh » kang minah, song min, song ming
zhong zhi » zhang zhi, hong ghi, zhong tai
wan yang » wang yang, dan yang, tan yang
yi irene » _ irene, i rene, ii rene
hong hai » shang hai, zhong tai, dang hai
yang yi » yang di, yang xi, yang jui

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yang yang yi irene ((sang minh) or (anh minh)) ((hong hai) or (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yang yang yi irene ((sang minh) OR (anh minh)) ((hong hai) OR (zhong zhi)) ;.
• Adding a wildcard symbol may retrieve word variants: wan yang yang yi irene ((sang minh) or (anh minh)) ((hong hai) or (zhong zhi)) ;*.