Perhaps you should try some spelling variations:
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
developpement l » developpement il, developpement la, developpement de
inflation tax » inflation rate, inflation _, inflation target
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
tax process » deal process
process 5.2 » process 2.2, process 5.1, process 2.1
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation tax process 5.2 communication costs _ developpement l afrique.*.