Perhaps you should try some spelling variations:
communication modes » communication costs, communication media, communication methods
oral communication » mobile communication, _ communication, risk communication
development egypt » development recent, development early, development age
technologies any » technologies a, technologies annex, technologies _
any information » bank information, can information, party information
information gap » information _, information flow

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

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