Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
from information » from informal, 1 information
4 communication » 3 communication, 5.4 communication, de communication
2.2 developing » 3.2 developing, 3.3 developing, 2.2 development
developing av » developing a, developing ai, developing amp
law debates » law debate, los debates, new debates
debates 4 » debates _, debate 4, debates y
av africa » v africa, iv africa, can africa
cost 2.2 » costs 2.2, cost 2.4, cost 3.2

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

• Adding a wildcard symbol may retrieve word variants: technology from information law debates 4 communication cost 2.2 developing av africa.*.