Perhaps you should try some spelling variations:
communication 12.4.5 » communication 10.2.5, communication 10.4.3, communication 12.1.1
development actors » development sector, development action, development history
technologies art » technologies part, technologies a, technologies bit
art information » party information, smart information, ct information
information age » information storage, information access, information about
4 development » 2 development, 4 developing
actors africa » across africa, action africa
30 mobile » 3 mobile, a mobile, 2 mobile
12.4.5 4 » 12.4.2 _, 12.4.1 _, 12.4.1 a
age 30 » page 30, age 31, age 3.10

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

• Adding a wildcard symbol may retrieve word variants: technologies art information age 30 mobile communication 12.4.5 4 development actors africa.*.