Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
yan wang » yuan wang, qian wang, yan liang
wei yang » pei yang, wei wang, wei yang's
tan hua » tuan hua, wang hua, tan chia
yang so » yang yao
long d » long do, long du, long _

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: ((yan wang) OR (((yang guang) OR (yang yang)))) ((tan hua) OR (can china)) wei yang so long d ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yan wang) or (((yang guang) OR (yang yang)))) ((tan hua) or (can china)) wei yang so long d ;~".
• Adding a wildcard symbol may retrieve word variants: ((yan wang) or (((yang guang) OR (yang yang)))) ((tan hua) or (can china)) wei yang so long d ;*.