Perhaps you should try some spelling variations:
sites developpement » site development, site's development, de developpement
technologies used » technologies based, technology used, technologies _
communication et » communication 3, communication 1, communication 2
developpement en » developpement et, developpement des, developpement de
used innovation » user innovation, use innovation, based innovation
innovation 4 » innovation _, innovation a, innovation 1
das written » data written, das dritte, a written
et sites » web sites, des sites, les sites
4 das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: technologies used innovation 4 das written communication et sites developpement en afrique.*.