Perhaps you should try some spelling variations:
communication theory » communication technology
des developpement » des developpements, de developpement, le developpement
information 18.3 » information 1.3, information 14.3, information 11.3
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
theory des » theory der, theorie des, theory d6
18.3 does » 12.3 does, 18.2 does, 13 does

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 18.3 does _ communication theory des developpement en afrique.*.