Perhaps you should try some spelling variations:
oral communication » personal communication
communication 3.3 » communication _, communication a, communication 1
el developpement » et developpement, en developpement, et developpements
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 debate » ending debate, making debate, using data
debate oral » debate moral, debat moral, debate global
3.3 el » 2.3 el, 3.3 eu

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 debate oral communication 3.3 el developpement de l'afrique.*.