Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
development among » development banking, development agency, development agenda
technologies new » technologies _, technologies a
information gaps » information gap, information flows, information needs
new information » _ information, energy information, chief information
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 new information gaps de mobile communication modes _ development among afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information gaps de mobile communication modes _ development among afrique.*.