Perhaps you should try some spelling variations:
sharing during » learning during, making during, sharing learning
cost sharing » risk sharing, cost savings
during cong » during coal, during cold, during scoping
dong yang » dong hoang, wang yang, yang yang
cong seo » hong seo, cong shu, cong sun
ling di » ling li, ling dao
di cost » di costo, die cost, ii cost

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 (wang yan)) ling di cost sharing during cong seo ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong yang) OR (wang yan)) ling di cost sharing during cong seo ;*.