Perhaps you should try some spelling variations:
cross talking » cross talk, cross selling, case talking
crop mapping » city mapping, deep mapping, road mapping
wang hui » wang hua, wang zhi, wang wei
hui yang » hui ying, du yang, h yang
yang run » yang jun, yang yun, long run
run cost » iran cost, can cost, run cash

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang hui yang run cost savings ((cross talking) or (crop mapping)) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang hui yang run cost savings ((cross talking) OR (crop mapping)) shu ;*.