Perhaps you should try some spelling variations:
12.2.4 communication » 2.2.3 communication, 5.4 communication, 2.3 communication
developpement l » developpement il, developpement la, developpement de
inflation tax » inflation rate, inflation _, inflation target
technology 1 » technology _
krieg 12.2.4 » krieg 1.4, krieg 2.2, krieg 2.4.5
1 inflation » 10 inflation, 12 inflation, _ inflation
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 krieg 12.2.4 communication costs _ developpement l afrique.*.