Perhaps you should try some spelling variations:
3 communication » 4 communication, de communication, data communication
development en » developpement en, development menu, development eco
de variation » der variation, die variation, does variation
variation im » variation _, variation 6, variation des
typology de » typology _, typology 6, typology a
5 power » 2 power, 4 power
3 power » 2 power, 4 power
im soe » im sog
soe 3 » so 3, ioe 3, soa 3

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 de variation im soe 3 communication ((5 power) OR (3 power)) development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology de variation im soe 3 communication ((5 power) OR (3 power)) development en afrique.*.