Perhaps you should try some spelling variations:
study population » student population, student populations, city population
population wages » population age, population aged, population changes
de communication » mobile communication, online communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
de fabrique » la fabrique, de l'afrique
wages case » ages case, wages close, cases case
costs le » costs _, costs 4, costs a
case de » case des, case d, case d1

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

• Adding a wildcard symbol may retrieve word variants: technology study population wages case de communication costs le developpement de fabrique.*.