Perhaps you should try some spelling variations:
oral communication » personal communication
area development » asia development, career development, africa development
development menu » development mega, development min, development manuel
des variation » does variation, de variation, der variation
variation der » variation des, variation bei, variation _
menu afrique » en afrique
de oral » de otras, new oral

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(typologie OR typology) des variation der de oral communication _ area development menu afrique.~".
• Adding a wildcard symbol may retrieve word variants: (typologie OR typology) des variation der de oral communication _ area development menu afrique.*.