Perhaps you should try some spelling variations:
developpement de » developpement des, developpement durable
2 developpement » de developpement, le developpement, et developpement
technologies 4 » technologies _
4 information » 2 information, 1 information
buy mobile » auf mobile, b mobile, bb mobile
3.2 buy » 6.2 buy, 3.2 body
costs 2 » costs 20, costs _, costs 4

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 4 information 3.2 buy mobile communication costs 2 developpement de l'afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 4 information 3.2 buy mobile communication costs 2 developpement de l'afrique.*.