Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
development case » development china
relations 2.6.2 » relations 2.1.2, relations 2.3.2, relations 2.6.1
technology des » technology does, technology debts, technology nodes
des relations » les relations, its relations, et relations
2.6.2 crisis » 2.2.2 crisis, 2.2 crisis, 2.3.1 crisis
costs sector » ports sector, cost vector, dots sector
case aortic » acute aortic
crisis de » crisis del, crisis due, crisis debt

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

• Adding a wildcard symbol may retrieve word variants: technology des relations 2.6.2 crisis de communication costs sector development case aortic.*.