Perhaps you should try some spelling variations:
dong yang » dong hoang, wang yang, yang yang
yang yao » yang yang, wang yan, yang yi
can data » can tata, dan data, fan data
yang min » yang mind, tang min, yang lin
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, zhong tai, dang hai
than a » than _

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