Perhaps you should try some spelling variations:
causes communication » mass communication, crisis communication, assess communication
information need » information needs, information needed, information speed
de developpement » sme development
developpement a » developpement la, developpement de, developpement et
technologies 2 » technologies _, technologies 4
a afrique » l afrique, en afrique
a de » a die, a der, a des

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 2 information need scope causes communication a de developpement a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 2 information need scope causes communication a de developpement a afrique.*.