Perhaps you should try some spelling variations:
technologies postal » technologies past, technologies boosted, technologies program
actor communication » actors communication, actions communication, active communication
postal information » total information, hospital information, partial information
information costs » information contents, information centers, information content
communication 3.3 » communication _, communication a, communication 1
development en » developpement en, development menu, development eco
costs de » costs _, costs 4, costs a
de actor » de autor, key actor, de victor
3.3 a » 3.3 _, 2.3 a, 4.3 a

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

• Adding a wildcard symbol may retrieve word variants: technologies postal information costs de actor communication 3.3 a development en afrique.*.