Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
zu developpement » du developpement, au developpement, ou developpement
developpement en » developpement et, developpement des, developpement de
communication 3 » communication _, communication a
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
rate file » case file, rate fee, rate firm
file 2.3 » file 2.7, file 23, file 2.4.3
3 zu » 3 zur, 3 zum, 2 zu

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation rate file 2.3 communication 3 zu developpement en afrique.*.