Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
techniques computer » techniques chapter
rica communications » africa communications, risk communications, rural communications
interaction 2 » interaction _, interaction 1, interaction 4
a developing » a development
developing 2 » developing _, developing a, developing e
costs a » costs _, costs 4
2 areal » 2 real, _ areal, 2 areas

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

• Adding a wildcard symbol may retrieve word variants: techniques computer interaction 2 aims rica communications costs a developing 2 areal.*.