Perhaps you should try some spelling variations:
communication model » communication media
oral communication » personal communication
information gaps » information gap
fine development » mine development, line development, five development
development en » developpement en, development menu, development eco
model fine » model final, model fixed, model fit
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: technologies _ information gaps de oral communication model fine development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information gaps de oral communication model fine development en afrique.*.