Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
4.2 debt » 4.2 der, 4.2 deep, 2.5 debt
costs et » costs _, costs 4, costs a
debt de » debt do, debt debt, debt gdp

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 4.2 debt de communication costs et developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information 4.2 debt de communication costs et developpement en afrique.*.