Perhaps you should try some spelling variations:
yang cindy » yang mind
dong hoang » hong hong
cindy how » mind how, city how
hoang ka » hoang vu, hoang sy, hoang _
than bau » than bad, than a, than you
can tata » can data, can tax
can take » can make, land take
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 ka ((than bau) OR (((can tata) OR (can take)))) yang cindy how hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong hoang ka ((than bau) or (((can tata) OR (can take)))) yang cindy how hai ;~".
• Adding a wildcard symbol may retrieve word variants: dong hoang ka ((than bau) or (((can tata) OR (can take)))) yang cindy how hai ;*.