Perhaps you should try some spelling variations:
earnings risk » learning risk, earnings loss, earnings find
cash earnings » bank earnings, age earnings
among letters » among lecturers, among learners, among masters
among peers » among ers, among users, among members
ying bank » using bank, big bank, ying yang
ying can » ying chang, ying yang, ying jin
wang » wing, wan, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan ((ying can) OR (ying bank)) cash earnings risk ((among peers) or (among letters)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((ying can) OR (ying bank)) cash earnings risk ((among peers) OR (among letters)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((ying can) OR (ying bank)) cash earnings risk ((among peers) or (among letters)) ;*".