Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
information duties » information studies, information devices, information series
developpement du » developpement de, developpement des, developpement et
a developpement » au developpement, de developpement, le developpement
technologies 1 » technologies _, technologies 4, technologies 2
duties age » duties sales
du afrique » en afrique, l afrique, de l'afrique
age data » wage data, cge data, image data
costs a » 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 1 information duties age data communications costs a developpement du afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies 1 information duties age data communications costs a developpement du afrique.*.