Perhaps you should try some spelling variations:
communication modes » communication model, communication des, communication media
oral communication » personal communication
technologies rcts » technologies icts, technologies ret, technologies co
rcts information » gets information, costs information, tests information
information gaps » information gap
development en » developpement en, development menu, development eco
modes human » models human, model human, modern human
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.

• Adding a wildcard symbol may retrieve word variants: technologies rcts information gaps de oral communication modes human development en afrique.*.