Perhaps you should try some spelling variations:
era developpements » era developments, et developpements, deux developpements
oral communication » personal communication
developpements de » developpement de, developpement des, developpement du
variation among » starvation among, formation among, variation von
des variation » does variation, de variation, der variation
typology des » typologie des, typologie der, typology _
among males » among les, among masters, among female
de afrique » de l'afrique, en afrique, l afrique
media era » media a, media art

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

• Adding a wildcard symbol may retrieve word variants: typology des variation among males oral communication media era developpements de afrique.*.