Perhaps you should try some spelling variations:
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
developpement l » developpement il, developpement la, developpement de
inflation und » inflation index, inflation _, inflation tax
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
l afrique » en afrique
und rice » und race, under rice, und rache
rice 3.3 » rice 3.1, rice 2.1, rice 4.1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 inflation und rice 3.3 communication costs _ developpement l afrique.*.