Perhaps you should try some spelling variations:
technologies chapter » techniques chapter
chapter information » computer information, change information, career information
oral communication » personal communication
information based » information case, information bank, transformation based
4 developing » 3 developing
developing a » developing _
based key » based keys, based new, based pay
key oral » key brac, why oral
a africa » 1 africa, can africa, em africa
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: technologies chapter information based key oral communication costs 4 developing a africa.*.