Perhaps you should try some spelling variations:
sharing during » learning during, making during, sharing learning
rent sharing » risk sharing, rent seeking, cost sharing
during cong » during coal, during cold, during scoping
dong hoang » hong hong
dong yang » wang yang, dan yang, dong jung
yang yang » wang yang, wang yan
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: ((dong yang) or (((yang yang) or (dong hoang)))) ya hua rent sharing during cong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (((yang yang) OR (dong hoang)))) ya hua rent sharing during cong shu ;.
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (((yang yang) or (dong hoang)))) ya hua rent sharing during cong shu ;*.