Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
than daun » than bau, than daem, than data
can data » can tata, dan data, fan data
yang jun » yang jui, pang jun, yang jin
yang ka » yang fan, yang yao
how hai » how has, how ai, how have
how hci » how heis

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