Perhaps you should try some spelling variations:
oral communication » personal communication
communication cost » communication costs, communication costa, communications costs
3.2 development » 1 development, mena development
development can » development case, development co, development canada
technologie de » technologies de, technologie der, technologie die
can africa » urban africa
cost 3.2 » cost 2.4
ch 3 » ch 1, ch 2, ch 4

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

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