Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang
tan chia » tuan china, than china, can china
hui ying » huei ying, hoi ying, hui ping
pei yun » lei kyun, mei yung, pei yang
de long » le long, de longue
long du » long d, long do, long run

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 (wang yan))) or (yang guang)) tan chia ((hui ying) or (pei yun)) de long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((yang yang) OR (wang yan))) OR (yang guang)) tan chia ((hui ying) OR (pei yun)) de long du ;.
• Adding a wildcard symbol may retrieve word variants: ((((yang yang) or (wang yan))) or (yang guang)) tan chia ((hui ying) or (pei yun)) de long du ;*.