Perhaps you should try some spelling variations:
long grain » long chain, long green, long trail
gan guan » yan guan, quan guan, fan guon
guan shi » guan li, puan sri
tan yang » dan yang, tan ying, tao yang
tan yong » tan hong, tan kong, tan ying
long han » long chain, long thanh, long haul
wang » wing, wan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or lang) gan guan shi ((tan yang) OR (tan yong)) li ((long han) or (long grain)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) gan guan shi ((tan yang) OR (tan yong)) li ((long han) OR (long grain)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) gan guan shi ((tan yang) OR (tan yong)) li ((long han) or (long grain)) ;*".