Perhaps you should try some spelling variations:
dong hoang » hong hong
amin shang » amin hong, anming zhang
yang amin » yang jin, yang lin, yang mind
shang hai » shang kai, dang hai, chang ha
hoang ka » hoang vu, hoang sy, hoang _
than bau » than bad, than a, than you
can data » can tata, fan data, chain data
dan data » dan dana, dn data, fan data

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