Perhaps you should try some spelling variations:
cheng han » chen hao
lang nan » jiang nan, lang lang, dong nan
yi cheng » yi chen, yu cheng, xi cheng
han ming » chan ming, han min, wan ming
wong sau » wong siu, wong shiu, wong lai
wong sam » wong lai, kong sar, von sam
nan yan » nan ya, wang yan, qian yan
yan yi » yang yi, tan yi, yan zi

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang nan yan yi cheng han ming ((wong sau) or (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang nan yan yi cheng han ming ((wong sau) OR (wong sam)) ;*.