Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
rural development » social development
80 communication » 10 communication, 10 communications, de communication
technologies 1 » technologies _, technologies 4, technologies 2
development co » development case, development china
information 3 » information 2
3.3 rural » 3.2 rural, 3.4 rural, 4.3 rural
co africa » can africa, do african, 1 africa
die 80 » die 10
3 die » 2 die, _ die

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 3 die 80 communication 3.3 rural development co africa.*.