Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
oral communication » personal communication
information gaps » information gap
main development » chain development, basin development, brain development
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
a afrique » l afrique, en afrique
gaps new » gaps how
new oral » new moral, knew moral, new rural

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information gaps new oral communication models main development a afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information gaps new oral communication models main development a afrique.*.