Perhaps you should try some spelling variations:
lost earnings » gross earnings, cash earnings, flow earnings
low earnings » _ earnings
costs among » costs along, customs among
wang zhang » wang zheng, wang luhang, zhang zhang
zhang ying » zhang ming, zhang jing, zhang ping
loss among » jobs among
ying yang » yang yang, yin yang, ying chang

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 zhang ying yang ((lost earnings) OR (low earnings)) ((loss among) OR (costs among)) ers ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang zhang ying yang ((lost earnings) OR (low earnings)) ((loss among) or (costs among)) ers ;~".
• Adding a wildcard symbol may retrieve word variants: wang zhang ying yang ((lost earnings) OR (low earnings)) ((loss among) or (costs among)) ers ;*.