Perhaps you should try some spelling variations:
communications 3.1 » communication 3.1, communications 2.1, communications 3.3
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
typologie does » typologie des, typologie der, typologie cices
does variation » de variation, der variation, die variation
variation behn » variation bei, variation des, variation der
behn does » being does, ban does
does data » does cat
3.1 de » 3.1 die, 3.1 der, 3.1 def

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

• Adding a wildcard symbol may retrieve word variants: typologie does variation behn does data communications 3.1 de developpement en afrique.*.