Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
3.2 communications » 3.2 communication, 3.1 communications, 4.2 communications
face interactions » face interaction, based interactions, from interactions
technology face » technology facts, technology fat, technology finance
a developpement » au developpement, de developpement, le developpement
developpement l » developpement il, developpement la, developpement de
interactions a » interactions _, interactions 4, interactions among
problem 3.2 » problem 2
a problem » das problem
l afrique » en afrique
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology face interactions a problem 3.2 communications costs a developpement l afrique.*.