Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
technology world » technology work, technological world, technology working
developpement du » developpement de, developpement des, developpement et
a developpement » au developpement, de developpement, le developpement
population tb » population b, population _, population 1
du afrique » en afrique, l afrique, de l'afrique
price 2.3 » price 3, price 4.4
tb price » b price, a price, c price
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 world population tb price 2.3 communication costs a developpement du afrique.*.