Perhaps you should try some spelling variations:
oral communication » personal communication
information needs » information networks
sites development » site's development, site development, cities development
development level » development local, development center, development recent
communication et » communication 3, communication 1, communication 2
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
level price » level pre, level privacy, level process
needs one » need one, needs more
one oral » one moral, one rural, one oil
et sites » web sites, des sites, les sites

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

• Adding a wildcard symbol may retrieve word variants: technologies co information needs one oral communication et sites development level price.*.