Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology 3.3.3 » technology 3.1.3, technology 3.3.1, technology 3.3.4
developpement il » developpement de, developpement et, developpement du
3.3.3 inflation » 2.3.1 inflation, 5.33 inflation, 5.4.3 inflation
a developpement » au developpement, de developpement, le developpement
inflation age » inflation rate, inflation a, inflation auf
il afrique » l afrique, en afrique
age race » wages race, age range, cane race
race 2.7 » race 3.7, rate 2.7, rice 2.7
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology 3.3.3 inflation age race 2.7 communication costs a developpement il afrique.*.