Perhaps you should try some spelling variations:
source development » resource development, resources development, commerce development
de communication » mobile communication, online communication
communication 5 » communication _, communication a, communication 3
development en » developpement en, development menu, development eco
variation des » variation _, variation 6, variation series
typology 6 » typology 4.1
5 source » a source, 7 source
des soe » des soa, des sols, des sous

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((typology 6) OR (typology _)) variation des soe de communication 5 source development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: ((typology 6) OR (typology _)) variation des soe de communication 5 source development en afrique.*.