Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
qian juan » qian jun, jiang juan, san juan
yang weng » huang weng, yang jing
weng dang » weng fang, deng gang, jeng dong
yan yuan » yan guan, fang yuan, nan yan
wang » wing, wan, lang
hai » hadi, haji, hari

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 hyoung ((((yang yang) OR (yan yuan))) OR (qian juan)) du yang weng dang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang hyoung ((((yang yang) or (yan yuan))) or (qian juan)) du yang weng dang hai ;*.