Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
tan china » tuan china, than china, can china
peo yang » pei yang, yao yang, wei yang
tao yang » yao yang, tan yang, xiao yang
long du » long d, long run, long did
long do » long d, longer do, long ago

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)) tan china ((peo yang) or (tao yang)) lam ((long du) OR (long do)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) tan china ((peo yang) OR (tao yang)) lam ((long du) OR (long do)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) or (yang guang)) tan china ((peo yang) or (tao yang)) lam ((long du) OR (long do)) ;*".