Perhaps you should try some spelling variations:
twitter communication » written communication, better communication, matter communication
des developpements » deux developpements, de developpement, et developpements
developpements l » developpements de, developpement il, developpement la
innovation 4 » innovation _, innovation a, innovation 1
das twitter » data twitter, der twitter, das wetter
l afrique » en afrique
4 das » 1 das, 2 das, 3 das
a des » a der, a das

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

• Adding a wildcard symbol may retrieve word variants: technologies _ innovation 4 das twitter communication a des developpements l afrique.*.