Perhaps you should try some spelling variations:
radio communications » radio communication, data communications
communications a » communications _, communications law, communications media
sme development » trade development
variation over » variation der, variation notes, variation des
development de » development d, development ds, developpement de
typologie de » typologie des, typologie der, typologien der
de variation » der variation, die variation, does variation
does radio » das radio
over does » cover does, der does, over de
a sme » _ sme, 3 sme, 5 sme

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

• Adding a wildcard symbol may retrieve word variants: typologie de variation over does radio communications a sme development de l'afrique.*.