Perhaps you should try some spelling variations:
sharing mining » sharing during, sharing learning
rent sharing » risk sharing, rent seeking, cost sharing
mining kong » ming kong, mining using
yan yang » yang yang, tan yang, yan wang
dan yang » daun yang, tan yang, wang yang
yao yang » yang yang
hua rent » hua ren

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

• Performing a fuzzy search may retrieve terms with similar spellings: wing ((((yan yang) OR (dan yang))) OR (yao yang)) hua rent sharing mining kong (sar OR saur) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((((yan yang) OR (dan yang))) OR (yao yang)) hua rent sharing mining kong (sar OR saur) ;*".