Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
information gaps » information gap, information flows, information needs
use development » sme development, e development, museum development
development aid » development a, development bank, development _
technologies a » technologies _
a information » _ information, land information, award information
des mobile » does 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 gaps des mobile communication costs use development aid afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gaps des mobile communication costs use development aid afrique.*.