Perhaps you should try some spelling variations:
oral communication » personal communication
communication pt » communication 3, communication 1, communication 2
au developpement » du developpement, de developpement, le developpement
how variation » how valuation, does variation, four variation
variation der » variation des, variation bei, variation _
des l'afrique » de l'afrique, de l'amerique
typology how » typology from, typology _, typology 4.1
first oral » first organ, first deal, first drupal
der first » dead first, der firma, our first
pt au » pt a, et au

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

• Adding a wildcard symbol may retrieve word variants: typology how variation der first oral communication pt au developpement des l'afrique.*.