Perhaps you should try some spelling variations:
information needs » information networks
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
des mobile » does mobile, das mobile, less mobile
needs des » needs test, needs men
a afrique » l afrique, en afrique

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 des mobile communication costs _ development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information needs des mobile communication costs _ development a afrique.*.