Perhaps you should try some spelling variations:
technological content » technological potential, technological frontier, technological change
voice communication » voice communications, mobile communication, device communication
content formation » content information, concept formation, contents information
de developpement » sme development
developpement de » developpement des, developpement durable
formation des » formation _
de africa » does africa, de america, use africa
des fils » des films, des mils, des nils
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: technological content formation des fils voice communication a de developpement de africa.*.