Perhaps you should try some spelling variations:
formalen communication » informal communication, complex communication, force communication
communication india » communication media, communications media
de developpement » sme development
variation using » variations during, variation und, variation among
developpement l » developpement il, developpement la, developpement de
4.1 variation » 1.1 variation, 2.1 variation, 4.3 variation
des formalen » das formale, des sozialen, des realen
ecology 4.1 » ecology 4.2, ecology 4.4, ecology 1
using des » using pdes, using aes, using dbs
l afrique » en afrique
india de » india d, india do, india does

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

• Adding a wildcard symbol may retrieve word variants: ecology 4.1 variation using des formalen communication india de developpement l afrique.*.