Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
development chapter » development center, development case
do communications » 10 communications, 14 communications, 2 communications
series attention » special attention, members attention, media attention
attention from » attentions from, attenuation from, attention some
4 development » 2 development, 4 developing
chapter a » chapter 2, chapter 1, chapter 3
past do » past does
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 series attention from past do communications costs 4 development chapter a.*.