Perhaps you should try some spelling variations:
oral communication » personal communication
trade development » software development
variation being » variation bei, variation using, variation among
development lid » development led, development li, development lie
des variation » does variation, de variation, der variation
lid afrique » l afrique
being does » lending does, reading does
does oral » does formal, does oil
typologie » typologies, typology

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

• Adding a wildcard symbol may retrieve word variants: typologie des variation being does oral communication a trade development lid afrique.*.