Perhaps you should try some spelling variations:
oral communication » personal communication
communication 3.3 » communication _, communication a, communication 1
eu developpement » et developpement, du developpement, au developpement
developpement de » developpement des, developpement durable
variation using » variations during, variation und, variation among
typologien de » typologien der, typologie des, typologie der
de variation » der variation, die variation, does variation
using debt » housing debt, rising debt, using delta
debt oral » debt moral, debt oil
3.3 eu » 3.3 el

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

• Adding a wildcard symbol may retrieve word variants: typologien de variation using debt oral communication 3.3 eu developpement de l'afrique.*.