Perhaps you should try some spelling variations:
lang yan » wang yan, wang yang, zhang yan
you chen » you when, you chenli, you check
yang jin » yang jie, yang jun, ying jin
wong siu » wong shiu, kong siu, wong sau
yan man » kann man, yan clan, yan guan
man you » can you, than you, can your
yang xi » yang jui
yang yi » yang jui

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

• If you are trying to use Boolean operators, they must be ALL CAPS: lang yan man you chen ((((((yang xi) OR (yang yi))) OR (yang di))) OR (yang jin)) wong siu ;~.
• Adding a wildcard symbol may retrieve word variants: lang yan man you chen ((((((yang xi) or (yang yi))) or (yang di))) or (yang jin)) wong siu ;*.