Perhaps you should try some spelling variations:
typologies 3.2.1 » typologie 5.2.1, typologies 7.4.1, typologies 16.4.1
de communication » mobile communication, online communication
developpements l » developpements de, developpement il, developpement la
3.2.1 variation » 5.2.1 variation, 7.2.1 variation, 13.3.1 variation
variation es » variation des, variation test, variations des
l afrique » en afrique
den de » den die, den drei, orden de
a des » a der
a das » 1 das, 2 das, 3 das

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

• If you are trying to use Boolean operators, they must be ALL CAPS: typologies 3.2.1 variation es den de communication ((a des) OR (a das)) developpements l afrique.~.
• Adding a wildcard symbol may retrieve word variants: typologies 3.2.1 variation es den de communication ((a des) or (a das)) developpements l afrique.*.