Perhaps you should try some spelling variations:
cash earnings » bank earnings, age earnings
earnings risk » learning risk, earnings loss, earnings find
among letters » among lecturers, among learners, among masters
among peers » among ers, among users, among members
yang ying » yang yang, huang ying, liang ying
yang jing » wang jing, yang jin, huang jing
can cash » a 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 ((yang ying) OR (yang jing)) can cash earnings risk ((among peers) or (among letters)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang ((yang ying) OR (yang jing)) can cash earnings risk ((among peers) OR (among letters)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yang ying) OR (yang jing)) can cash earnings risk ((among peers) or (among letters)) ;*".