Perhaps you should try some spelling variations:
personal communication » interpersonal communication
communication model » communication media
le development » e development, ce development, le developpement
due personal » de personal, die personale, der personal
about due » about blue, about dice, about dthe
1 afrique » l afrique, en afrique, 1 enrique
model le » model led, model law, model 1

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies _ information about due personal communication model le development 1 afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies _ information about due personal communication model le development 1 afrique.*.