Perhaps you should try some spelling variations:
reaction communication » reactive communication, relations communication, actions communication
communication model » communication media
technologies 2 » technologies _, technologies 4
development co » development case, development china
3.8 reaction » 3.2 reaction, 3.7 reaction, 3.5 reactions
co africa » can africa, do african, 1 africa
gap 3.8 » gaap 3.4, gap 13.2
model 2 » model 1, model 2.2, model 2.1

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 3.8 reaction communication model 2 development co africa.*.