Perhaps you should try some spelling variations:
oral communication » personal communication
communication et » communication 3, communication 1, communication 2
et developpement » de developpement, le developpement, test development
developpement en » developpement et, developpement des, developpement de
typologien cost » typologien von, typologies first
cost variations » its variations, country variations, local variations
et et » et en, es et

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

• Adding a wildcard symbol may retrieve word variants: typologien cost variations _ fires oral communication et et developpement en afrique.*.