Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
sme development » trade development
development en » developpement en, development menu, development eco
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
des dam » des dax, des dem, des daad
des daz » des dax, des daad, des data

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: "typologie de variation ((des dam) OR (des daz)) device communication _ sme development en afrique.~".
• Adding a wildcard symbol may retrieve word variants: typologie de variation ((des dam) OR (des daz)) device communication _ sme development en afrique.*.