Perhaps you should try some spelling variations:
personnes communication » personal communication, personal communications, petronio's communication
variation series » education series, action series, edition series
de developpement » sme development
typologien does » typologie des, typologien der, typologie der
developpement l » developpement il, developpement la, developpement de
does variation » de variation, der variation, die variation
der personnes » des personnes, de personnes, der personen
series der » serien der, series de, series d
l afrique » en afrique
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: typologien does variation series der personnes communication a de developpement l afrique.*.