Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
oral communication » mobile communication, _ communication, risk communication
technologies road » technologies could, technologies a, technology road
road information » global information, _ information, debt information
information age » information gaps, information laws, information _
development a » development _, development bank, development banks

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

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