Perhaps you should try some spelling variations:
huang ying » huang jing, huang ting, huang yang
yang yang » wang yang, wang yan
wong john » wrong john, kong john, longo john
fang wei » wang wei, zhang wei, liang wei
bonn sau » bonn a, bonn am, bonn auf
yang xi » yang di, yang yi, yang jui
l wong » l wang, y wong

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: ((huang ying) OR (yang yang)) ((yang xi) OR (fang wei)) l wong john bonn sau ;~.
• Adding a wildcard symbol may retrieve word variants: ((huang ying) or (yang yang)) ((yang xi) or (fang wei)) l wong john bonn sau ;*.