Perhaps you should try some spelling variations:
oral communication » mobile communication, _ communication, risk communication
urban development » human development
information act » information age, information about, information gaps
technologies a » technologies _
development en » development menu, development can, development _
a information » _ information, land information, award information
systems urban » systems can

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a information act de oral communication systems urban development en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a information act de oral communication systems urban development en afrique.*.