Perhaps you should try some spelling variations:
communication media » communication a, communication service
technologies could » technologies volume
oral communication » mobile communication, _ communication, risk communication
could information » child information, pooled information, road information
information gap » information _, information flow
development co » development _, development a, development case

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies could information gap de oral communication media _ development co afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies could information gap de oral communication media _ development co afrique.*.