Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang jean » yang dean, young jean, yang fan
than daun » than bau, than daem, than days
than data » than death, loan data, can data
yang john » young john, king john, yang jin
john how » john hope, john holt, john hook
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 jean ((than daun) OR (than data)) yang john how ai ;~.
• Adding a wildcard symbol may retrieve word variants: dong yang jean ((than daun) or (than data)) yang john how ai ;*.