Perhaps you should try some spelling variations:
communication models » communications models, communication model, communication modes
oral communication » personal communication
technologies can » technologies a, technologies co, technologies _
information gaps » information gap
main development » chain development, basin development, brain development
can information » von information, von informationen
a afrique » l afrique, en afrique
gaps how » gap how, saps how, traps how
how oral » how moral, how rural, how arab

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

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