Perhaps you should try some spelling variations:
vertical communications » vertical communication, optical communications, technical communications
communications media » communication media, communication india, communications series
en developpement » et developpement, de developpement, le developpement
variation using » variations during, variation und, variation among
developpement l » developpement il, developpement la, developpement de
typologies die » typologies _, typologie des, typologie der
die variation » de variation, does variation, der variation
does vertical » ones vertical, forest vertical, boost vertical
using does » using deep, being does, using aes
l afrique » en afrique
media en » media era, media _, media 1

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

• Adding a wildcard symbol may retrieve word variants: typologies die variation using does vertical communications media en developpement l afrique.*.