Perhaps you should try some spelling variations:
complex communication » computer communication, people communication, employee communication
developpement en » developpement et, developpement des, developpement de
variation using » variations during, variation und, variation among
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
dit complex » die complex, d complex, its complex
using dit » using dits, using dt, using dicot

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation using dit complex communication media _ developpement en afrique.*.