Perhaps you should try some spelling variations:
yang yang » wang yang, wang yan
yulu chen » yu chen
chen yong » chen rong, chen yang, zhen yong
yong tan » hong tan, ybhg tan, wing tan
hong shu » cong shu, tong shui, wong shiu
tong hui » wang hui
nan yan » nan ya, wang yan, qian yan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wing or wan) ((nan yan) or (yang yang)) yulu chen yong tan ((hong shu) or (tong hui)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wing OR wan) ((nan yan) OR (yang yang)) yulu chen yong tan ((hong shu) OR (tong hui)) ;.
• Adding a wildcard symbol may retrieve word variants: (wing or wan) ((nan yan) or (yang yang)) yulu chen yong tan ((hong shu) or (tong hui)) ;*.