Perhaps you should try some spelling variations:
long chemin » long chain
yan guan » gan guan, yan yuan, yang guang
guan shi » guan li, puan sri
tan ying » fan ying, ran ying, tan yang
ying jie » yang jie, ying jin, jing ji
shi tan » shi dan, shi fan, shi jian
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) yan guan shi tan ying jie ((long haul) OR (long chemin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR lang) yan guan shi tan ying jie ((long haul) OR (long chemin)) ;*".