Perhaps you should try some spelling variations:
technology german » technology germany, technology thermal, technology human
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
rate file » case file, rate fee, rate firm
file 3.5 » file 35, filter 3.5, file 15
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology german inflation rate file 3.5 communication costs le developpement en afrique.*.