Perhaps you should try some spelling variations:
dong hoang » hong hong
than wang » chen wang, than war, yan wang
qian wang » yiqian wang, qian rong, qian yan
shang hai » shang kai, dang hai, hong hai
hoang ka » hoang vu, hoang sy, hoang _
yang jin » yang jie, yang jun, ying jin
chang ha » chang mae

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: dong hoang ka ((than wang) OR (qian wang)) yang jin ((shang hai) OR (chang ha)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong hoang ka ((than wang) OR (qian wang)) yang jin ((shang hai) or (chang ha)) ;~".
• Adding a wildcard symbol may retrieve word variants: dong hoang ka ((than wang) OR (qian wang)) yang jin ((shang hai) or (chang ha)) ;*.