Perhaps you should try some spelling variations:
communication model » communication media
rural development » social development
development cpia » development capita, development china, development capital
information 1.2 » information 1.5.2, information 2
4 communication » 3 communication, 5.4 communication, de communication
model rural » modern rural, model real, model natural
1.2 a » 1.2 _, 2.2 a, 3.2 a

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

• Adding a wildcard symbol may retrieve word variants: technologies _ information 1.2 a 4 communication model rural development cpia africa.*.