Perhaps you should try some spelling variations:
chung kang » chung kay, chung tong
yang yang » wang yang, wang yan
chan kang » chan fong, chan jan, chan ming
chan eng » chan fong, chan ming, han en
yu cheng » yu chen, _ cheng
jui chen » yi chen
wong siu » wong shiu, kong siu, wong sau
yang ka » yang fan, yang yao

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang yang ka ((yu cheng) or (jui chen)) ((chan eng) or (((chan kang) OR (chung kang)))) wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang yang ka ((yu cheng) OR (jui chen)) ((chan eng) OR (((chan kang) OR (chung kang)))) wong siu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yang yang ka ((yu cheng) or (jui chen)) ((chan eng) or (((chan kang) OR (chung kang)))) wong siu ;*".