Perhaps you should try some spelling variations:
iran cost » urban cost, iran case, can cost
wing yan » wang yan, wing ian, wing tan
run cost » can cost, run cash, run out
up cost » up costs
ka ying » ku ying, fan ying, gao ying
yan yi » yang yi, tan yi, yan zi
a ying » _ ying, fan ying, gao ying

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