Perhaps you should try some spelling variations:
developmental state » development strategy, developmental impact
oral communication » personal communication
4.2 developmental » 4.2 development, _ developmental, a developmental
technologies 4 » technologies _
4 information » 2 information, 1 information
information a » information age, information about
state africa » trade africa
how oral » how moral, how rural, how arab
a how » _ how, 2 how, 3 how

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information a how oral communication costs 4.2 developmental state africa.*.