Perhaps you should try some spelling variations:
information centered » information centers, information centre, information center
oral communication » personal communication
technologies cost » technologies co, technologies case, technologies cohort
cost information » postal information, about information, asset information
centered model » centred model, centre model, centric model
1 developing » 3 developing, 4 developing, 2 developing
developing a » developing _
model oral » modern oral, novel oral
a africa » 1 africa, can africa, em africa
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies cost information centered model oral communication costs 1 developing a africa.*.