Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
zhong tai » hong tan, zhong zhi
yang fan » zhang fan, yang dean, yang yang
can data » can tata, dan data, fan data
yang jin » yang jie, yang jun, ying jin
hong hai » shang hai, dang hai, hong tan
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: wang yang fan ((than a) OR (can data)) yang jin ((hong hai) OR (zhong tai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yang fan ((than a) or (can data)) yang jin ((hong hai) OR (zhong tai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yang fan ((than a) or (can data)) yang jin ((hong hai) OR (zhong tai)) ;*.