Perhaps you should try some spelling variations:
yang guang » yan guan, yang liang
yang yang » wang yang, wang yan
tuan hua » tan hua, yuan hui
yang jie » yang di, yang jui, yang xi
yang jin » yang jun, ying jin, shang jin
tuan vu » thanh vu
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 (yang guang)) ((tuan hua) or (tuan vu)) pei ((yang jie) or (yang jin)) long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang yang) OR (yang guang)) ((tuan hua) OR (tuan vu)) pei ((yang jie) OR (yang jin)) long du ;.
• Adding a wildcard symbol may retrieve word variants: ((yang yang) or (yang guang)) ((tuan hua) or (tuan vu)) pei ((yang jie) or (yang jin)) long du ;*.