Perhaps you should try some spelling variations:
communications theorie » communications theory, communication theory, kommunikation theorie
der developpement » de developpement, des developpements, leur developpement
developpement en » developpement et, developpement des, developpement de
information 2.3 » information 12.3, information 1.3, information 2.2
technologies 4 » technologies _
4 information » 2 information, 1 information
2.3 does » 12.3 does, 2.4 does, 2.6 does

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2.3 does _ communications theorie der developpement en afrique.*.