Perhaps you should try some spelling variations:
overall population » rural population, general population
communication cote » communication costs, communication costa, communication case
developpements des » developpement des, developpements de, developpement de
et developpements » et developpement, des developpements, en developpement
de communication » mobile communication, online communication
population wage » population age, population wide, population aged
des afrique » en afrique, de l'afrique
rates de » rates der, rates des, rates d
cote et » cote des, cote les, forte et
method » methods

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

• Adding a wildcard symbol may retrieve word variants: method overall population wage rates de communication cote et developpements des afrique.*.