Perhaps you should try some spelling variations:
change development » changing development, chinese development, enhance development
due communication » de communication, d'une communication, true communication
development level » development local, development center, development recent
level adoption » level adaptation
relations 5.1 » relations 2.1, relations 3.1, relations 1
technology 3 » technology _, technology 1, technology 4
costs change » costs chapter, costs case, costs china
3 relations » et relations, des relations
5.1 crisis » 2.1 crisis, 3.1 crisis, 1.1 crisis
crisis due » crisis de, crisis del, crisis desde

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations 5.1 crisis due communication costs change development level adoption.*.