Perhaps you should try some spelling variations:
source development » resource development, resources development, commerce development
4 communication » 3 communication, 5.4 communication, de communication
communication 5 » communication _, communication a, communication 3
variation im » variation _, variation 6, variation des
5 source » a source, 7 source
im soe » im sog
soe 4 » boe 4, ioe 4, sos 4

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 _ variation im soe 4 communication 5 source development ((mega afrique) OR (en afrique)).~".
• Adding a wildcard symbol may retrieve word variants: typology _ variation im soe 4 communication 5 source development ((mega afrique) OR (en afrique)).*.