Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies used » technologies based, technology used, technologies _
sites development » site's development, site development, cities development
used innovation » user innovation, use innovation, based innovation
communication 1 » communication _, communication a, communication 3
state personal » states personal, state personality, states personnel
development de » development d, development ds, developpement de
innovation 1 » innovation _, innovation a
de afrique » de l'afrique, en afrique, l afrique
1 state » 2 state, 3 state
1 sites » _ sites, 2 sites, 7 sites

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

• Adding a wildcard symbol may retrieve word variants: technologies used innovation 1 state personal communication 1 sites development de afrique.*.