Perhaps you should try some spelling variations:
actor communication » actors communication, actions communication, active communication
technologies cost » technologies co, technologies case, technologies cohort
information costs » information contents, information centers, information content
communication 4.3 » communication 3.3, communication 4.1, communication 3
cost information » postal information, about information, asset information
development en » developpement en, development menu, development eco
costs de » costs _, costs 4, costs a
de actor » de autor, key actor, de victor
4.3 a » 4.3 _, 2.3 a, 4.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies cost information costs de actor communication 4.3 a development en afrique.*.