Perhaps you should try some spelling variations:
population changes » population change, population census, population center
le developpement » de developpement, sme development
developpement la » developpement de, developpement et, developpement du
1 communication » 10 communication, 3 communication, 4 communication
technology tax » technology than, technology trap, technology tpm
tax population » farm population, fast population, boar population
changes prices » changes price, changes process, changes crises
la afrique » l afrique, la fabrique, en afrique
prices 1 » prices _, prices a, prices 3
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 tax population changes prices 1 communication costs le developpement la afrique.*.