Perhaps you should try some spelling variations:
earnings costs » earnings loss, earnings losses, earnings test
cash earnings » bank earnings, age earnings
costs among » costs along, customs among
yang yang » wang yan
wang yang » wang yan, wang yanling
among ers » among peers, among users, among east

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liang ((yang yang) or (wang yang)) cash earnings costs among ers ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((yang yang) OR (wang yang)) cash earnings costs among ers ;*.