Perhaps you should try some spelling variations:
dong hoang » hong hong
hoang dean » yang dean
than daun » than bau, than daem, than data
can data » can tata, dan data, fan data
yang jie » yang jin, yang di, yang jui
jie how » life how, line how, fire how
how hai » how has, how ai, how hci

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 dean ((than daun) OR (can data)) yang jie how hai ;~.
• Adding a wildcard symbol may retrieve word variants: dong hoang dean ((than daun) or (can data)) yang jie how hai ;*.