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