Perhaps you should try some spelling variations:
vertical communication » verbal communication, virtual communication, optical communication
communication model » communication media
et developpement » de developpement, le developpement, test development
developpement il » developpement de, developpement et, developpement du
integrated land » integrated plan, integrated flood, integrated care
a vertical » _ vertical, 6 vertical, 2 vertical
il afrique » l afrique, en afrique
model et » model ee, model em, model eu
land a » land _, poland a

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

• Adding a wildcard symbol may retrieve word variants: technology based integrated land a vertical communication model et developpement il afrique.*.