Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement en » developpement et, developpement des, developpement de
technology fund » technology from
fund insulation » sound insulation, ground insulation, und inflation
a developpement » au developpement, de developpement, le developpement
insulation e2 » insulation _, insulation 3.1.2, insulation layer
process 2.7 » process 2.2, process 2.1, process 2.4
e2 process » 2 process, 12 process, 4.2 process
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology fund insulation e2 process 2.7 communication costs a developpement en afrique.*.