Perhaps you should try some spelling variations:
developpement durable » developpement de
communication based » communication united, communication brazil, communication barriers
may developpement » au developpement, de developpement, le developpement
1 communication » 10 communication, 3 communication, 4 communication
technologies 9 » technologies _, technologies 4, technologies 2
9 consommation » la consommation, de consommation, et consommation
based may » based many, based pay, base may
de does » der does, do does, one does
does 1 » does _, does a, does e

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

• Adding a wildcard symbol may retrieve word variants: technologies 9 consommation de does 1 communication based may developpement durable afrique.*.