Perhaps you should try some spelling variations:
models communications » modern communications, modern communication, zones communications
communications costs » communication costs, communications _
interactions from » interaction from, interactions f160, interactions among
technologies des » technologien des, technologies de, technologies dans
des interactions » species interactions
4 development » 2 development, 4 developing
development l » development li, development 1, development law
data models » data model
l afrique » en afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies des interactions from data models communications costs 4 development l afrique.*.