Perhaps you should try some spelling variations:
yiqian wang » yijiang wang, liqin wang
yuan chang » yuan cheng, huang chang, han chang
yang yang » wang yang, wang yan
yang jean » yang dean, young jean, yang fan
qian wang » qian rong, qian yan, yan wang
yang yuan » fang yuan, yan yuan, yang yun
chang han » chang ha, cheng han, zhang han

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 yang) OR (yang jean)) ((qian wang) OR (yiqian wang)) yang yuan chang han ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang yang) or (yang jean)) ((qian wang) OR (yiqian wang)) yang yuan chang han ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yang yang) or (yang jean)) ((qian wang) OR (yiqian wang)) yang yuan chang han ;*.