Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
oil communications » chile communications, cell communications, fiji communications
math information » catch information, much information, health information
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
technology math » technology paths, technology mit, technology make
information a » information age, information about
costs de » costs _, costs 4, costs a
des oil » does oil, des oid, debt oil
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technology math information a des oil communications costs de developpement en afrique.*.