Perhaps you should try some spelling variations:
envelopment second » development second, development beyond
communication act » communication art, communication a, communication ai
typologie ier » typologie der, typologien der, typologie des
ier variation » ier variations, der variation, 1er variations
variation des » variation _, variation 6, variation series
des mass » does mass, das mass, des mais
act data » ct data, oct data, aiot data
des des » des deas, des dem, des der

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

• Adding a wildcard symbol may retrieve word variants: typologie ier variation des des mass communication act data envelopment second afrique.*.