Perhaps you should try some spelling variations:
communication efforts » communication networks, communications networks, communication network
technologies new » technologies _, technologies a
information need » information needs, information based, information age
new information » _ information, energy information, chief information
sme development » _ development, a development, asian development
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 need de mobile communication efforts sme development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information need de mobile communication efforts sme development _ afrique.*.