Perhaps you should try some spelling variations:
technologies credit » technologies create, technologies reduce
communication costs » communication systems, communication efforts, communication skills
oral communication » mobile communication, _ communication, risk communication
information about » information flows, information flow
de development » e development, de developpement, code development
about de » about _
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 credit information about de oral communication costs de development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies credit information about de oral communication costs de development _ afrique.*.