Perhaps you should try some spelling variations:
oral communication » personal communication
technology health » technology help, ecology health, gerontology health
information needs » information networks
communication per » communication paper, communication power, communication pour
development band » development bank, development banks
band africa » bank africa, bank african, can africa
per world » der world, poor world, our world
needs a » needs _
a oral » _ oral, 2 oral, 4 oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology health information needs a oral communication per world development band africa.~.
• Adding a wildcard symbol may retrieve word variants: technology health information needs a oral communication per world development band africa.*.