Perhaps you should try some spelling variations:
technologies chapter » techniques chapter
device communication » services communication, voice communication, mobile communication
chapter information » computer information, change information, career information
information 12 » information 1.2, information 2, information 1
3.2 developing » 3.3 developing, 2.2 developing, 3 developing
end device » end devices, any device, find devices
costs 3.2 » costs 4.2, cost 3.2, costs 3.5
12 end » 10 end, 14 end, 15 end

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

• Adding a wildcard symbol may retrieve word variants: technologies chapter information 12 end device communication costs 3.2 developing _ areas.*.