Perhaps you should try some spelling variations:
population factor » population factors, population sector, population facts
5.2 communication » 3.2 communication, 6.2 communication, 2.2 communication
technology dlt » technology data, technology debts, technology 21st
dlt population » adult population, de population, do population
factor price » factor prices
price 5.2 » prices 5.2, price 2.2, price 3.2
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 dlt population factor price 5.2 communication costs a development _ afrique.*.