Perhaps you should try some spelling variations:
information networks » information needs
communication costs » communication systems, communication efforts, communication skills
technologies a » technologies _
a information » _ information, land information, award information
development a » development _, development bank, development banks
networks a » networks _, network _
a mobile » _ 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 networks a mobile communication costs _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information networks a mobile communication costs _ development a afrique.*.