Perhaps you should try some spelling variations:
external communication » internal communication, internal communications, personal communication
trade developement » trade development, trade developments, trades development
technologies used » technologies based, technology used, technologies _
communication et » communication 3, communication 1, communication 2
used innovation » user innovation, use innovation, based innovation
developement de » developpement de, developpement des, developpements de
innovation 1 » innovation _, innovation a
a external » 4 external, 5 external, 3 external
et trade » net trade, pet trade, east trade

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

• Adding a wildcard symbol may retrieve word variants: technologies used innovation 1 a external communication et trade developement de l'afrique.*.