Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
than daem » than days, than deep, thanh dam
than data » than death, loan data, can data
yang jun » yang jui, pang jun, yang jin
yang ka » yang fan, yang yao
how ai » how aid, how ae, how asia
how am » how ae

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: wang yang ka ((than daem) OR (than data)) yang jun ((how ai) OR (how am)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang ka ((than daem) or (than data)) yang jun ((how ai) OR (how am)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang ka ((than daem) or (than data)) yang jun ((how ai) OR (how am)) ;*.