Perhaps you should try some spelling variations:
credit lasting » credit rating, credit granting, create lasting
credit ratings » credit rating
mapping safe » mapping state, mapping space, mapping based
mapping shu » mapping snn, mapping slam, mapping soil
dong yang » dong hoang, wang yang, yang yang
yang ba » yang ka, yang fan, yang yao

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 ba de ((credit lasting) OR (credit ratings)) career ((mapping shu) or (mapping safe)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong yang ba de ((credit lasting) OR (credit ratings)) career ((mapping shu) OR (mapping safe)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong yang ba de ((credit lasting) OR (credit ratings)) career ((mapping shu) or (mapping safe)) ;".
• Adding a wildcard symbol may retrieve word variants: dong yang ba de ((credit lasting) OR (credit ratings)) career ((mapping shu) or (mapping safe)) ;*.