Perhaps you should try some spelling variations:
communication mode » communication model, communication modes, communication module
uneven development » driven development, urban development, clean development
technologies 2 » technologies _, technologies 4
development co » development case, development china
mode uneven » among uneven, trade uneven
13.2 mass » 3.2 mass, 14.3.2 mass, 13.2 das
co africa » can africa, do african, 1 africa
gap 13.2 » gap 10.2, gap 3.3.2, gap 10.7

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information gap 13.2 mass communication mode uneven development co africa.*.