Perhaps you should try some spelling variations:
concept information » concept misformation, concept formation, content information
technology concept » technology content, technology contents, technology choice
information need » information needs, information needed, information speed
de developpement » sme development
developpement de » developpement des, developpement durable
die mobile » does mobile, das mobile, day mobile
de africa » does africa, de america, use africa
need die » needed die, need fide, need one
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: technology concept information need die mobile communication a de developpement de africa.*.