Perhaps you should try some spelling variations:
oral communication » personal communication
development second » development beyond, development section, development sectors
variation series » education series, action series, edition series
area development » asia development, career development, africa development
typologies de » typologien der, typologies _, typologie des
de variation » der variation, die variation, does variation
series der » serien der, series de, series d
der oral » der moral, der ort, der orte

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

• Adding a wildcard symbol may retrieve word variants: typologies de variation series der oral communication _ area development second afrique.*.