Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
than days » than daem, than data
loan data » loan rate
yang mind » yang cindy, yang jin, sang minh
zhong tai » hong tan, zhong zhi
yang fan » zhang fan, yang dean, yang yang
hong hai » shang hai, dang hai, hong tan

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 fan ((than days) OR (loan data)) yang mind ((hong hai) OR (zhong tai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang fan ((than days) or (loan data)) yang mind ((hong hai) OR (zhong tai)) ;~".
• Adding a wildcard symbol may retrieve word variants: dong yang fan ((than days) or (loan data)) yang mind ((hong hai) OR (zhong tai)) ;*.