Perhaps you should try some spelling variations:
long span » long han
wang yang » wang yan, wang liang, wang yanling
fang yuan » wang yuhan, wang yan, meng yuan
tan yong » tan hong, tan kong, tan yang
la chine » la chaine, la chance, la chimie
ya chun » ka chuan, tai chun, ya ching
yuan li » yuan lin, guan li, yuan zi
li cong » li rong, li song, jiu cong
cong yu » hong yu, rong yu, chong yun

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((long span) or (((tan yong) or (wang yang)))) ((ya chun) or (la chine)) fang yuan li cong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((long span) OR (((tan yong) OR (wang yang)))) ((ya chun) OR (la chine)) fang yuan li cong yu ;.
• Adding a wildcard symbol may retrieve word variants: ((long span) or (((tan yong) or (wang yang)))) ((ya chun) or (la chine)) fang yuan li cong yu ;*.