Perhaps you should try some spelling variations:
oral communication » personal communication
technologies more » technologies market, technologies co, technologies art
more information » price information, trade information
information need » information needs, information needed, information speed
key development » city development, mena development, energy development
systems key » system key, systems korea
need de » need le, need fide, need one
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies more information need de oral communication systems key development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies more information need de oral communication systems key development _ afrique.*.