Perhaps you should try some spelling variations:
huang yongfu » huang ying
huang yang » huang ying, huang chang, yang yang
wang yang » wang yan, wang liang, wang yanling
weng fang » jing fang, wen wang
hua weng » huang weng, chua beng, hua wei
fang yan » fang yuan, wang yan, zhang yan
yan hong » tan hong, yan cong, can hong
hong yu » wong yue

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 ((((huang yang) OR (huang yongfu))) OR (wang yang)) hua weng fang yan hong yu ;~.
• Adding a wildcard symbol may retrieve word variants: dong ((((huang yang) or (huang yongfu))) or (wang yang)) hua weng fang yan hong yu ;*.