Perhaps you should try some spelling variations:
technology human » technology how, technology help
human population » urban population, urban populations
de communication » mobile communication, online communication
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
population 1 » population _, population 3, population 7.1
l afrique » en afrique
price de » price _, price 3, price a
1 price » 1 prime, 2 price, 4 price
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 human population 1 price de communication costs 4 developpement l afrique.*.