Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
technology 1 » technology _
inflation do » inflation co, inflation der, inflation das
1 inflation » 10 inflation, 12 inflation, _ inflation
prices 3.2 » price 3.2, prices 3.1, prices 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation do prices 3.2 communication paper _ developpement en afrique.*.