Perhaps you should try some spelling variations:
developpement en » developpement et, developpement des, developpement de
et developpement » de developpement, le developpement, test development
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
costs et » costs _, costs 4, costs a
gap d » gap _, gap 4, gap a

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information gap d _ communication costs et developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gap d _ communication costs et developpement en afrique.*.