Perhaps you should try some spelling variations:
huang chang » huang cheng, hoong chang, yuan chang
huang yang » huang ying, wang yang, yang yang
wong john » wrong john, kong john, longo john
bonn saur » bonn zur, bonn auf
fang xi » fang xia, yang xi, fang wei
fang ri » fang wei, fang xia
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 yang) OR (huang chang)) ((fang xi) OR (fang ri)) l wong john bonn saur ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((huang yang) OR (huang chang)) ((fang xi) or (fang ri)) l wong john bonn saur ;~".
• Adding a wildcard symbol may retrieve word variants: ((huang yang) OR (huang chang)) ((fang xi) or (fang ri)) l wong john bonn saur ;*.