Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
aids information » hidden information, chief information, award information
information need » information needs, information based, information age
development menu » development among, development event, development bank
technology aids » technology parks, technology risks, technology needs
de mobile » does mobile, _ mobile, a mobile

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology aids information need de mobile communication costs _ development menu afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology aids information need de mobile communication costs _ development menu afrique.*.