Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
oral communication » personal communication
2 l'information » a l'information, de l'information, pour l'information
3.2 development » 1 development, mena development
development can » development case, development co, development canada
technologie 2 » technologies 2, technologie c, technologie 3
can africa » urban africa
cost 3.2 » cost 2.4
set 3 » set _, set a, set 4
et 3 » ert 3, et 13, 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 2 l'information ((et 3) OR (set 3)) oral communication cost 3.2 development can africa.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologie 2 l'information ((et 3) OR (set 3)) oral communication cost 3.2 development can africa.".
• Adding a wildcard symbol may retrieve word variants: technologie 2 l'information ((et 3) OR (set 3)) oral communication cost 3.2 development can africa.*.