Perhaps you should try some spelling variations:
twitter communication » written communication, better communication, matter communication
de developpement » sme development
developpement de » developpement des, developpement durable
information age » information storage, information access, information about
technologies 2 » technologies _, technologies 4
data twitter » auf twitter, der twitter
de afrique » de l'afrique, en afrique, l afrique
age data » wage data, cge data, image data
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information age data twitter communication a de developpement de afrique.*.