Perhaps you should try some spelling variations:
communication four » communication mode, communication failure, communication costs
technologies a » technologies _
development en » development menu, development can, development _
a information » _ information, land information, award information
four human » poor human
de mobile » does mobile, _ mobile, a mobile

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 _ de mobile communication four human development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information _ de mobile communication four human development en afrique.*.