Perhaps you should try some spelling variations:
zones communications » honest communication, leone communications, les communications
communications costs » communication costs, communications _
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
study selecting » study selection, study meeting, study reflections
selecting a » selecting _
based zones » based money, based modes, based models
costs de » costs _, costs 4, costs a
a based » a biased, na based, a base

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

• Adding a wildcard symbol may retrieve word variants: technology study selecting a based zones communications costs de developpement en afrique.*.