Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang amin » yang lin, yang mind
than bad » than bau, than a, than big
can data » can tata, dan data, fan data
yang jin » yang jie, yang jun, ying jin
hong tai » zhong tai, hong tan, hong hai
yang ka » yang fan, yang yao

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 ka ((than bad) OR (can data)) ((yang amin) OR (yang jin)) hong tai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ka ((than bad) or (can data)) ((yang amin) OR (yang jin)) hong tai ;~".
• Adding a wildcard symbol may retrieve word variants: dong yang ka ((than bad) or (can data)) ((yang amin) OR (yang jin)) hong tai ;*.