Perhaps you should try some spelling variations:
petronio's communication » electronic communication, networks communication, services communication
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
typologien does » typologie des, typologien der, typologie der
does variation » de variation, der variation, die variation
variation bei » variation des, variation der, variation _
bei des » bei der, bei den, bei dem
a et » a set, a net, a bet

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation bei des petronio's communication a et developpement en afrique.*.