Perhaps you should try some spelling variations:
lang yan » wang yan, wang yang, zhang yan
tan chia » tuan china, than china, can china
wen yang » wen wang, chen yang, wang yang
wei yang » pei yang, wei wang, wei yang's
jui wong » ji won, jui meng
wong sau » wong sam, wong siu, wong shiu
yan tan » tan tan, yan clan, yan guan

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

• Performing a fuzzy search may retrieve terms with similar spellings: lang yan tan chia ((wen yang) or (wei yang)) jui wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan tan chia ((wen yang) OR (wei yang)) jui wong sau ;.
• Adding a wildcard symbol may retrieve word variants: lang yan tan chia ((wen yang) or (wei yang)) jui wong sau ;*.