Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies new » technologies _, technologies a
de developpement » _ development, a development, sme development
new information » _ information, energy information, chief information
developpement a » development a, development _
a mobile » _ mobile
costs de » costs per, costs _, costs 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 new information _ a mobile communication costs de developpement a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information _ a mobile communication costs de developpement a afrique.*.