Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
china hui » china hubei, china how, china han
china has » china have, china how
yang yao » wang yan, yang yi, yang fan
yao long » a long, so long, yao yang
long d » long do, long du, long _

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((yang yang) or (yang guang)) tuan ((china hui) OR (china has)) yang yao long d ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) tuan ((china hui) OR (china has)) yang yao long d ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (yang guang)) tuan ((china hui) OR (china has)) yang yao long d ;*".