Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
than data » than death, loan data, dan data
yang john » young john, king john, yang jin
can data » can tata, dan data, fan data
john how » john hope, john holt, john hook
yang ka » yang fan, yang yao
how has » how have

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong yang ka ((than data) or (can data)) yang john how has ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ka ((than data) OR (can data)) yang john how has ;*.