Perhaps you should try some spelling variations:
communications theorie » communications theory, communication theory, kommunikation theorie
der developpement » de developpement, des developpements, leur developpement
information 11.3 » information 1.3, information 14.3, information 11.2
developpement en » developpement et, developpement des, developpement de
technologies 2 » technologies _, technologies 4
11.3 does » 12.3 does, 18.3 does, 2.1.3 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 11.3 does _ communications theorie der developpement en afrique.*.