Perhaps you should try some spelling variations:
twitter communication » written communication, better communication, matter communication
technologies annex » technologies any, technology annex, technologies affect
die developpement » de developpement, le developpement, du developpement
annex innovation » innen innovation, eine innovation, der innovation
developpement en » developpement et, developpement des, developpement de
das twitter » data twitter, der twitter, das wetter
a das » 1 das, 2 das, 3 das
a die » 2 die, 3 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies annex innovation a das twitter communication a die developpement en afrique.*.