Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
yang guang » yang yang, yang liang
yan guan » gan guan, yan yuan, yihan guan
tan chia » than china, can china, dan china
jie long » jie song, life long, live long
pei yun » lei kyun, mei yung, pei yang
yun jie » yang jie, huan jie
long du » long d, long do, long run

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yang guang) OR (yan guan)) ((wang hua) OR (((tan chia) OR (tuan china)))) pei yun jie long du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang guang) or (yan guan)) ((wang hua) or (((tan chia) OR (tuan china)))) pei yun jie long du ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang guang) or (yan guan)) ((wang hua) or (((tan chia) OR (tuan china)))) pei yun jie long du ;*.