Perhaps you should try some spelling variations:
urban cost » urban costs, urban core, urban case
sharing li » sharing big, sharing his, sharing low
iran cost » iran case, can cost, run cost
wing yan » wang yan, wing ian, wing tan
hua cost » a cost, eu cost, run cost
ying shu » ying zhu, cong shu, ying hua
up cost » up costs
yan yi » yang yi, tan yi, yan zi

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing yan yi ((((hua cost) or (up cost))) or (((iran cost) OR (urban cost)))) sharing li ying shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wing yan yi ((((hua cost) OR (up cost))) OR (((iran cost) OR (urban cost)))) sharing li ying shu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing yan yi ((((hua cost) or (up cost))) or (((iran cost) OR (urban cost)))) sharing li ying shu ;".
• Adding a wildcard symbol may retrieve word variants: wing yan yi ((((hua cost) or (up cost))) or (((iran cost) OR (urban cost)))) sharing li ying shu ;*.