Perhaps you should try some spelling variations:
communication gaps » communication gap, communication gets, communication gabon
between developed » between development
de communication » mobile communication, online communication
relations 13.2 » relations 3.2, relations 1.2, relations 2.3.2
ethnologe its » ethnologe als, ethnologe das, ethnologie des
its relations » its relation, les relations, its relationship
gaps between » gap between
13.2 crisis » 10.2 crisis, 13.3 crisis, 15.2 crisis
developed a » developed _, developed 4, developed 5
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: ethnologe its relations 13.2 crisis de communication gaps between developed a aortic.*.