Perhaps you should try some spelling variations:
1.3 communication » 2.3 communication, 13 communication, 4.3 communication
technology rapid » technology rate, technology road, technology trap
rapid population » world population
developpement de » developpement des, developpement durable
a developpement » au developpement, de developpement, le developpement
population age » population change, population aging, population data
de afrique » de l'afrique, en afrique, l afrique
age trade » age grade, wages trade, have trade
trade 1.3 » trade 16.3, trade 4.3, trade 5.3
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology rapid population age trade 1.3 communication costs a developpement de afrique.*.