Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
aided communications » wired communications, speed communications, guinea communications
development model » development models, development middle
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
technology 2.2 » technology _, technology 1, technology 3
information 2 » information 3
4 development » 2 development, 4 developing
does aided » does aid, does add
costs 4 » costs _, costs a, costs 4.2
2 does » 4 does

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information 2 does aided communications costs 4 development model afrique.*.