Perhaps you should try some spelling variations:
4 communication » 3 communication, 5.4 communication, de communication
development en » developpement en, development menu, development eco
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
5 power » 2 power, 4 power
3 power » 2 power, 4 power
boe 4 » bot 4, box 4, ioe 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 des variation _ boe 4 communication ((5 power) OR (3 power)) development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typology des variation _ boe 4 communication ((5 power) OR (3 power)) development en afrique.*.