Perhaps you should try some spelling variations:
dong hoang » hong hong
yang mind » yang cindy, yang jin, sang minh
hoang sy » hoang vu
than bau » than bad, than a, than you
can tata » can data, can take, can tax
mind how » aid how
how hai » how has, how ai, how hci

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong hoang sy ((than bau) or (can tata)) yang mind how hai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hoang sy ((than bau) OR (can tata)) yang mind how hai ;*.