Perhaps you should try some spelling variations:
weak communication » work communication, risk communication, de communication
information rate » information ratio, information related, information matter
development case » development china
3 information » 1 information
4 development » 2 development, 4 developing
technology 3 » technology _, technology 1, technology 4
case africa » cases africa, care africa, curse africa
rate from » state from, case from, care from
from weak » from west, from war, from work
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: technology 3 information rate from weak communication costs 4 development case africa.*.