Perhaps you should try some spelling variations:
communication costs » communication systems, communication efforts, communication skills
technologies more » technologies improve, technologies volume, technologies annex
more information » price information, trade information, chief information
development can » development bank, development band, development case
costs human » lost human
a mobile » _ mobile

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies more information _ a mobile communication costs human development can afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies more information _ a mobile communication costs human development can afrique.*.