Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
per developpement » de developpement, power development, spur development
technologies new » technologies _, technologies a
new information » _ information, energy information, chief information
developpement a » development a, development _
de mobile » does mobile, _ mobile, a mobile
costs per » cost per

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 _ de mobile communication costs per developpement a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information _ de mobile communication costs per developpement a afrique.*.