Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
developpements de » developpement de, developpement des, developpement du
typologie cices » typologie eines, typologie des
cices variation » price variation, die variation, does variation
de afrique » de l'afrique, en afrique, l afrique
e device » _ device, a device, 4 device
a des » a der
a das » 1 das, 2 das, 3 das

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: typologie cices variation _ e device communication ((a des) OR (a das)) developpements de afrique.~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "typologie cices variation _ e device communication ((a des) OR (a das)) developpements de afrique.*".