Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
information needs » information flows, information networks
technologies a » technologies _
le development » e development, sme development, use development
a information » _ information, land information, award information
a mobile » _ mobile
modes le » modes _
needs a » needs _, need 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 needs a mobile communication modes le development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information needs a mobile communication modes le development _ afrique.*.