Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
technology rapid » technology rate, technology road, technology trap
rapid population » world population
et developpement » de developpement, le developpement, test development
developpement la » developpement de, developpement et, developpement du
population tb » population b, population _, population 1
la afrique » l afrique, la fabrique, en afrique
crime 2.3 » crimes 1.3, crime 5.4, time 2.3
tb crime » tax crime, _ crime, 3 crime
costs et » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology rapid population tb crime 2.3 communication costs et developpement la afrique.*.