Perhaps you should try some spelling variations:
communication methods » communication media, communication model
technologies new » technologies _, technologies 4, technologies 2
information need » information needs, information needed, information speed
new information » 2 information
methods human » methods kalman
need des » need le, need us
des risk » does risk, lens risk, nets risk

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies new information need des risk communication methods human development _ africa.~.
• Adding a wildcard symbol may retrieve word variants: technologies new information need des risk communication methods human development _ africa.*.