Perhaps you should try some spelling variations:
dong hoang » hong hong
yang mind » yang cindy, yang jin, sang minh
shang hai » shang kai, dang hai, chang ha
hoang ka » hoang vu, hoang sy, hoang _
than bau » than bad, than a, than you
can tata » can data, can take
can tax » can take

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 bau) OR (((can tata) OR (can tax)))) yang mind shang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong hoang ka ((than bau) or (((can tata) OR (can tax)))) yang mind shang hai ;~".
• Adding a wildcard symbol may retrieve word variants: dong hoang ka ((than bau) or (((can tata) OR (can tax)))) yang mind shang hai ;*.