Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
oral communication » personal communication
a l'information » de l'information, a l'innovation, pour l'information
3.2 development » 1 development, mena development
development can » development case, development co, development canada
technologie a » technologie c, technologie 3, technologie 6
can africa » urban africa
cost 3.2 » cost 2.4
et 13 » pt 13
et 3 » set 3, ert 3, eth 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologie a l'information ((et 3) OR (et 13)) oral communication cost 3.2 development can africa.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie a l'information ((et 3) OR (et 13)) oral communication cost 3.2 development can africa.".
• Adding a wildcard symbol may retrieve word variants: technologie a l'information ((et 3) OR (et 13)) oral communication cost 3.2 development can africa.*.