Perhaps you should try some spelling variations:
transfer innovation » transport innovation, trade innovation, stronger innovation
communication case » communications case, communication based, communication phase
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
developpement en » developpement et, developpement des, developpement de
1 developpement » de developpement, le developpement, et developpement
price 2.2 » price 2.3, price 2.4, price 3.2
a price » a primer

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

• Adding a wildcard symbol may retrieve word variants: technology transfer innovation a price 2.2 communication case 1 developpement en afrique.*.