Perhaps you should try some spelling variations:
developing nations » developing regions
de communication » mobile communication, online communication
nations american » nation american, stations american, sanctions american
technology led » technology land, technology law, technology 1
3.3 developing » 4 developing, 2 developing, 1 developing
led formation » load formation, de formation, en formation
formation c » formation _, formation 1, formation 5
debate de » debates de, debate we, debatte der
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
c debate » ce debate, _ debate, a debate

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

• Adding a wildcard symbol may retrieve word variants: technology led formation c debate de communication costs 3.3 developing nations american.*.