Perhaps you should try some spelling variations:
population wages » population age, population aged, population changes
10 communication » 1 communication, de communication, 3 communication
le developpement » de developpement, sme development
technology trap » technology trade, technology tax, technology than
trap population » rural population, rapid population, boar population
developpement l » developpement il, developpement la, developpement de
wages prices » wage price, gas prices, wages race
prices 10 » prices q110, prices _, prices a
l afrique » en afrique
costs le » 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 trap population wages prices 10 communication costs le developpement l afrique.*.