Perhaps you should try some spelling variations:
wang yang » wang yan, wang liang, wang yanling
iran cost » urban cost, iran case, can cost
sharing a » sharing _
hua cost » a cost, eu cost, run cost
ying shu » ying zhu, cong shu, ying hua
yang yi » yang di, yang xi, yang jui
a ying » ka ying, _ ying, fan ying

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 ((hua cost) or (iran cost)) sharing a ying shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yang yi ((hua cost) OR (iran cost)) sharing a ying shu ;.
• Adding a wildcard symbol may retrieve word variants: wang yang yi ((hua cost) or (iran cost)) sharing a ying shu ;*.