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
wang yang » wang yan, wang liang, wang yanling
doing un » doing und, doing our, doing von
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: ((doing un) or (wang yang)) ya hua rent sharing mining kong (sar or sara) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doing un) OR (wang yang)) ya hua rent sharing mining kong (sar OR sara) ;.
• Adding a wildcard symbol may retrieve word variants: ((doing un) or (wang yang)) ya hua rent sharing mining kong (sar or sara) ;*.