Perhaps you should try some spelling variations:
reaction communication » reactive communication, relations communication, actions communication
communication model » communication media
development pan » development plan, development plans, development japan
technologies 2 » technologies _, technologies 4
3.8 reaction » 3.2 reaction, 3.7 reaction, 3.5 reactions
pan african » pan american, can africa, pan africanism
model gas » model gaps, model gb, model gui
gap 3.8 » gaap 3.4, gap 13.2

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 gas development pan african.*.