Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
oral communication » personal communication
technology energy » technology early, technology emerging, technology experts
development among » development armenia, development agency, development agenda
information gaps » information gap
among afrique » among african
gaps de » gaps do, camps de, gaps new
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: technology energy information gaps de oral communication modes _ development among afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology energy information gaps de oral communication modes _ development among afrique.*.