Perhaps you should try some spelling variations:
de communication » mobile communication, online communication
your development » youth development, source development, power development
development en » developpement en, development menu, development eco
variation did » variation des, variation der, variation im
typology 4.1 » typology 2.2.1, typology _, ecology 4.1
typology 6 » typology _
did soe » did so

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 4.1)) variation did soe de communication _ your development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: ((typology 6) OR (typology 4.1)) variation did soe de communication _ your development en afrique.*.