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 di, yang jui
kong yam » kong sar
wan yan » wang yan, nan yan, wai yan
wang di » yang di, wang d, wang li

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 (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 (wang di)) kong yam ;*.