Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
yang wang » yang yang, yan wang, yang liang
tuan hua » tan hua, yuan hui
pei yang » wei yang, pei yun, yi yang
hui yang » hui ying, du yang, h yang
jie long » jie song, life long, live long
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 wang) or (yang guang)) ((tuan hua) or (tuan vu)) ((pei yang) OR (hui yang)) jie long du ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang wang) OR (yang guang)) ((tuan hua) OR (tuan vu)) ((pei yang) OR (hui yang)) jie long du ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang wang) or (yang guang)) ((tuan hua) or (tuan vu)) ((pei yang) OR (hui yang)) jie long du ;".
• Adding a wildcard symbol may retrieve word variants: ((yang wang) or (yang guang)) ((tuan hua) or (tuan vu)) ((pei yang) OR (hui yang)) jie long du ;*.