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
la communication » _ communication, mass communication, oral communication
de developpement » _ development, a development, sme development
developpement en » development _, development a, development co
information et » information act, information _, information need
costs de » costs per, costs _, costs a

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 et de la communication costs de developpement en afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies more information et de la communication costs de developpement en afrique.*.