Perhaps you should try some spelling variations:
development sciences » development sequences, development since, development schemes
actors communication » actions communication, active communication, networks communication
rural development » social development
communication 3 » communication _, communication a
sciences africa » science africa, societies africa, sciences asia
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
2 actors » _ actors, 3 actors, 5 actors
3 rural » a rural, 2 rural, 4 rural
gap 2 » gap _, gap 4, gap a

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

• Adding a wildcard symbol may retrieve word variants: technologies a information gap 2 actors communication 3 rural development sciences africa.*.