Perhaps you should try some spelling variations:
communication 3.3 » communication _, communication a, communication 1
une communication » d'une communication, ante communication, de communication
technologies age » technologies stage, technologies case, technologies a
age information » care information, rate information, die information
developing east » development east, developing a, developing asia
4 developing » 3 developing
east africa » west africa
act m » act 4, act 1, act 3
3.3 4 » 3.3 _, 3.3 a, 3.3 e

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies age information ((act m) OR (act _)) une communication 3.3 4 developing east africa.~".
• Adding a wildcard symbol may retrieve word variants: technologies age information ((act m) OR (act _)) une communication 3.3 4 developing east africa.*.