Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
sharing a » sharing _
can cost » can costa, can lost, can post
yang hui » yang jui, wang hui, yang muxi
yang yi » yang di, yang xi, yang jui
up cost » up costs
yang du » yang di, yang d, yang mu

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yang yi ((up cost) or (can cost)) sharing a ((yang hui) or (yang du)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yi ((up cost) OR (can cost)) sharing a ((yang hui) OR (yang du)) ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yi ((up cost) or (can cost)) sharing a ((yang hui) or (yang du)) ;*.