Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
du developpement » de developpement, le developpement, et developpement
developpement la » developpement de, developpement et, developpement du
technology rate » technology state, technology role, technology related
rate population » create population, age population, male population
population tax » population a, population tb, population trade
tax prices » gas prices, car prices, tax practices
prices 3.2 » price 3.2, prices 3.1, prices 4.2
la afrique » l afrique, la fabrique, en afrique
costs du » 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 rate population tax prices 3.2 communication costs du developpement la afrique.*.