Perhaps you should try some spelling variations:
technologies chain » technologies can, technologies changing, technologies acvait
data communication » data communications
chain formulation » case formulation, plan formulation, vision formulation
formulation over » formation over, formulation model, formulation where
communication 3 » communication _, communication a
developments 3 » developments _, developments 4, developments pt
over user » older user, der user, over us
user data » use data, under data
3 afrique » l afrique, en afrique
3 recent » 1 recent, 4 recent

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

• Adding a wildcard symbol may retrieve word variants: technologies chain formulation over user data communication 3 recent developments 3 afrique.*.