Perhaps you should try some spelling variations:
communication skills » communication services, communication systems
choice information » price information, change information, device information
oral communication » personal communication
technology choice » technology change
clean development » human development, urban development
information flow » information flows
skills clean » skills can, spills cleanup, skills create
flow de » flow der, flow e
de oral » de otras, new oral

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

• Performing a fuzzy search may retrieve terms with similar spellings: technology choice information flow de oral communication skills clean development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technology choice information flow de oral communication skills clean development _ afrique.*.