Perhaps you should try some spelling variations:
yan zhang » yuan chang, bin zhang, han chang
zhang wei » zhen wei
wei gain » wei aun, wei hsin, wei bin
yang jie » yang jin, yang xi, yang yi
yang jui » yang judy, yang xi, yang yi
kong yam » kong sar
wan yan » wang yan, nan yan, wai yan
wang di » wang d, wang li, wang zhi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan zhang wei gain ((((yang jie) OR (yang jui))) or (((yang di) or (wang di)))) kong yam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan zhang wei gain ((((yang jie) OR (yang jui))) OR (((yang di) OR (wang di)))) kong yam ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan zhang wei gain ((((yang jie) OR (yang jui))) or (((yang di) or (wang di)))) kong yam ;*".