Perhaps you should try some spelling variations:
information duties » information studies, information devices, information series
data communication » data communications
developpement en » developpement et, developpement des, developpement de
4 developpement » de developpement, le developpement, et developpement
technologies 4 » technologies _
4 information » 2 information, 1 information
duties age » duties sales
age data » wage data, cge data, image data
costs 4 » costs _, costs a, costs 4.2

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 duties age data communication costs 4 developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 4 information duties age data communication costs 4 developpement en afrique.*.