Perhaps you should try some spelling variations:
communication unit » communication united, communication une, communication using
data communication » data communications
cost development » cost developments, post development, port development
technologies co » technologies _, technologies 4, technologies 2
information use » information und, information 2
co information » do information, 2 information, 1 information
development en » developpement en, development menu, development eco
does data » does cat
unit cost » unit costs, net cost, unit root
use does » one does, ple does

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

• Adding a wildcard symbol may retrieve word variants: technologies co information use does data communication unit cost development en afrique.*.