Perhaps you should try some spelling variations:
formalen communication » informal communication, complex communication, force communication
can developpement » au developpement, en developpement, can development
2.2.1 variation » 5.2.1 variation, 7.2.1 variation, 12.2.2 variation
developpement l » developpement il, developpement la, developpement de
typology 2.2.1 » typology 4.1
variation und » variation _, variablen und, variation 6
des formalen » das formale, des sozialen, des realen
media can » media case, media call, india can
l afrique » en afrique
und des » und der

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

• Adding a wildcard symbol may retrieve word variants: typology 2.2.1 variation und des formalen communication media can developpement l afrique.*.