Perhaps you should try some spelling variations:
oral communication » personal communication
communication 1.4 » communication 2.4, communication 3.4, communication 1.1
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
firms oral » firms rural, firms deal, firms global
1.4 le » 1.4 les, 1.4 la, 2.4 le

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation _ firms oral communication 1.4 le developpement en afrique.*.