Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang mind » yang cindy, yang jin, sang minh
mind hong » min hong, mind how, amin hong
than bau » than bad, than a, than you
can data » dan data, fan data, chain data
can tata » can take, can tax
hong hai » shang hai, zhong tai, dang hai
yang ka » yang fan, yang yao

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