Perhaps you should try some spelling variations:
twitter communication » written communication, better communication, matter communication
sites developpement » site development, site's development, de developpement
communication data » communication 3, communication 1, communication 3.3
era information » a information, via information, 4a information
technology era » technology eva, technology e, technology e.g
information 1 » information 2, information 3, information 3.2
das twitter » data twitter, der twitter, das wetter
des afrique » en afrique, de l'afrique
data sites » data states, data sets, data rates

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

• Adding a wildcard symbol may retrieve word variants: technology era information 1 das twitter communication data sites developpement des afrique.*.