Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
technology 3.3.1 » technology 3.1.1, technology 3.2.1, technology 6.3.1
developpement il » developpement de, developpement et, developpement du
3.3.1 inflation » 2.3.1 inflation, 3.3.3 inflation, 5.4.1 inflation
4 developpement » de developpement, le developpement, et developpement
inflation cane » inflation can, inflation rate, inflation causes
il afrique » l afrique, en afrique
cane race » age race, hand race, mine race
race 3.2 » race 3.7, race 4.2, rice 3.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology 3.3.1 inflation cane race 3.2 communication costs 4 developpement il afrique.*.