Perhaps you should try some spelling variations:
yang guang » yang yang, yan guan, yang liang
tuan china » wuhan china, can china, taiwan china
study long » study among, study land, study loss
china peo » china pim, china pt
judy long » judy young
peo yang » pei yang, yao yang, tao yang
wang » wing, lang

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: (((wang OR wan) yan) OR (yang guang)) tuan china peo yang ((judy long) OR (study long)) do ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((wang or wan) yan) or (yang guang)) tuan china peo yang ((judy long) OR (study long)) do ;~".
• Adding a wildcard symbol may retrieve word variants: (((wang or wan) yan) or (yang guang)) tuan china peo yang ((judy long) OR (study long)) do ;*.