Perhaps you should try some spelling variations:
low communication » how communication, new communication, de communication
development state » development stage, developmental state, redevelopment state
21st information » cost information, ist information, asset information
main development » chain development, basin development, brain development
technology 21st » technology 2.1.1, technology 2.1.2, technology 2.1.3
communication 1 » communication _, communication a, communication 3
information 2 » information 3
state africa » trade africa
from low » from below

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

• Adding a wildcard symbol may retrieve word variants: technology 21st information 2 from low communication 1 main development state africa.*.