Perhaps you should try some spelling variations:
transfer infection » transfer innovation, transfer function, transfer reduction
communication case » communications case, communication based, communication phase
die communication » de communication, time communication, une communication
des developpement » des developpements, de developpement, le developpement
developpement de » developpement des, developpement durable
de afrique » de l'afrique, en afrique, l afrique
space die » space age
case des » cases des, case das, phase des

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

• Adding a wildcard symbol may retrieve word variants: technology transfer infection _ space die communication case des developpement de afrique.*.