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
information age » information gaps, information laws, information _
per development » power development, spur development, power developments
de mobile » does mobile, _ mobile, a mobile
costs per » cost per

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 age de mobile communication costs per development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies more information age de mobile communication costs per development _ afrique.*.