Perhaps you should try some spelling variations:
technological routes » technological route, technological resources, technological progress
better communication » written communication, external communication, disaster communication
routes innovation » sources innovation, does innovation, costs innovation
mine development » sme development, trade development, business development
communication 3 » communication _, communication a
development de » development d, development ds, developpement de
innovation 2 » innovation 1, innovation 4, innovation 3
dam better » a better, do better, can better
3 mine » _ mine, a mine, 3 mise
2 dam » 2 das, _ dam, a dam

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

• Adding a wildcard symbol may retrieve word variants: technological routes innovation 2 dam better communication 3 mine development de l'afrique.*.