Perhaps you should try some spelling variations:
lost earnings » low earnings, gross earnings, cash earnings
earnings risk » learning risk, earnings loss, earnings find
among users » among peers, among masters, paying users
wang liang » wang yang
ying yang » yang yang, yin yang, ying chang
among ers » among peers, among east, among heis
ying can » ying chang, ying bank, ying jin

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang liang ((ying can) OR (ying yang)) lost earnings risk ((among ers) OR (among users)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((ying can) OR (ying yang)) lost earnings risk ((among ers) or (among users)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ((ying can) OR (ying yang)) lost earnings risk ((among ers) or (among users)) ;*.