Perhaps you should try some spelling variations:
paper communications » power communication, face communications, layer communication
communications media » communication media, communication india, communications series
leur developpement » le developpement, deux developpements, de developpement
transformation a » transformation _
developpement de » developpement des, developpement durable
technologie die » technologie de, technologie im, technologie der
de africa » does africa, de america, use africa
de paper » d paper, de papel, e paper
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technologie die transformation a de paper communications media leur developpement de africa.*.