Perhaps you should try some spelling variations:
china's development » child development, business development
de communication » mobile communication, online communication
relations 7.3 » relations 6.3, relations 4.3, relations 3.3
costs china's » crisis china's, across china's, does china's
7.3 crisis » 8.3 crisis, 13.3 crisis, 2.1 crisis
crisis de » crisis del, crisis due, crisis debt
a aortic » _ aortic, _ artic

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

• Adding a wildcard symbol may retrieve word variants: technology _ relations 7.3 crisis de communication costs china's development a aortic.*.