Perhaps you should try some spelling variations:
oral communication » personal communication
typologies does » typologie des, typologie der, typologien der
das development » dams development, gas development, does development
does variation » de variation, der variation, die variation
development en » developpement en, development menu, development eco
variation 26 » variation 6, variation 2, variation 27
des oral » des moral, des oil, des orts
a das » 1 das, 2 das, 3 das

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

• Adding a wildcard symbol may retrieve word variants: typologies does variation 26 des oral communication a das development en afrique.*.