Perhaps you should try some spelling variations:
yulan ting » yuan ting
chen yulan » chen yugang, chen yulu, chen yun
dong yang » dong hoang, wang yang, dan yang
yang yang » wang yang
ting wang » ping wang, hong wang, ting peng
wang yue » wong yue, wang hua, wang he
yu chen » yu cheng, yi chen, yulu chen
tan yu » tian yu, tan yi, tang yun

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong yang) or (((yang yang) or (wang yan)))) tan yu chen yulan ting wang yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (((yang yang) OR (wang yan)))) tan yu chen yulan ting wang yue ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (((yang yang) or (wang yan)))) tan yu chen yulan ting wang yue ;*.