Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4.2 communications » 4.2 communication, 3.2 communication, 6.2 communication
hydro information » hydro informatic, do information, cargo information
technology hydro » technology hard, technology how, technology help
information what » information war, information when, information wants
et developpement » de developpement, le developpement, test development
developpement la » developpement de, developpement et, developpement du
la afrique » l afrique, la fabrique, en afrique
costs et » costs _, costs 4, costs a
what a » what _, what can
a 4.2 » a 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology hydro information what a 4.2 communications costs et developpement la afrique.*.