Perhaps you should try some spelling variations:
communication model » communication media
water communication » master communication, matter communication, layer communication
technologies 4 » technologies _
development em » development eco, development 1, development 11
4 information » 2 information, 1 information
information 2 » information 3
slow water » low water, snow water, flow water
em africa » 1 africa
model 2 » model 1, model 2.2, model 2.1
2 slow » 2 solow, _ slow, a slow

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information 2 slow water communication model 2 development em africa.*.