Perhaps you should try some spelling variations:
technologies patents » technologies part, technologies past, technologies peter
patents information » patent information, patient information, contents information
oral communication » personal communication
information speed » information sheet, information needed, information needs
development urban » development bank, development band, development update
communication 1 » communication _, communication a, communication 3
de development » e development, ce development, de developpement
urban africa » urban area
speed one » speed money, speed line, need one
one oral » one moral, one rural, one oil
1 de » 1 die, 1 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologies patents information speed one oral communication 1 de development urban africa.*.