Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
long tail » long haul
tan chia » tuan china, can china, dan china
wen wang » wei wang, chen wang, weng fang
wang jie » yang jie, tang jie, wang jing
gong hui » tong shui, wang hui, gong si
tong hui » wang hui

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

• Performing a fuzzy search may retrieve terms with similar spellings: long tail ((tan chia) or (than china)) wen wang jie ((((gong hui) or (tong hui))) or (wang zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: long tail ((tan chia) OR (than china)) wen wang jie ((((gong hui) OR (tong hui))) OR (wang zhi)) ;.
• Adding a wildcard symbol may retrieve word variants: long tail ((tan chia) or (than china)) wen wang jie ((((gong hui) or (tong hui))) or (wang zhi)) ;*.