Perhaps you should try some spelling variations:
development africa's » development africans, developments africa, developing africa's
model communication » modern communication, moral communication, modeling communication
information based » information case, information bank, transformation based
technologies 2 » technologies _, technologies 4
3 development » 2 development
africa's rice » africa's drive, african rice, africa rice
based slip » based soil, based si, based sim
slip model » ip model, step model
costs 3 » 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 2 information based slip model communication costs 3 development africa's rice.*.