Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
than data » loan data, can data, dan data
yang mind » yang cindy, yang jin, sang minh
yang yao » yang yang, wang yan, yang yi
than bau » than bad, than a, than you
mind how » aid how
how ai » how aid, how ae, how am

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