Perhaps you should try some spelling variations:
yang cindy » yang mind
dong hoang » hong hong
than data » than death, loan data, dan data
cindy how » mind how, city how
hoang ka » hoang vu, hoang sy, hoang _
than bau » than bad, than a, than you
can data » can tata, dan data, fan data
how aid » how asia

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