Perhaps you should try some spelling variations:
communication exode » communication mode, communication europe, communication model
rural development » social development
information 1.2 » information 1.5.2, information 2
4 communication » 3 communication, 5.4 communication, de communication
china africa » cpia africa, china asia
exode rural » remote rural
1.2 nr » 1.2 nord
nr 4 » nr 1, nr 2

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 nr 4 communication exode rural development china africa.*.