Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, yang yang
wang yuhan » wang luhang, wang yan, wang yidan
yang ping » yang jing, yang using, zhang ping
yuhan tan » wuhan can
jane chen » jean chen, jie chen, kang chen
tan ying » fan ying, ran ying, tan yang
ying di » yang di, ying jin

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 ping) OR (yang liang)) wang yuhan tan ying di ((kang tae) OR (jane chen)) ;~.
• Adding a wildcard symbol may retrieve word variants: ((yang ping) or (yang liang)) wang yuhan tan ying di ((kang tae) or (jane chen)) ;*.