Perhaps you should try some spelling variations:
information constraints » information contents, information content
communications costs » communication costs, communications _
14 communications » 10 communications, 14 communication, 4 communications
constraints from » constraints _, constraints 3, constraints 4
developing av » developing a, developing ai, developing amp
4 developing » 3 developing
av africa » v africa, iv africa, can africa
from 14 » from 10, from 15, from 11
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information constraints from 14 communications costs 4 developing av africa.*.