Perhaps you should try some spelling variations:
technologies based » technologies used, technology based, technologies a
based information » basic information, based innovation, land information
communication 4.3 » communication 3.3, communication 4.1, communication 3
development band » development bank, development banks
band africa » bank africa, bank african, can africa
about h » about _, about a, about 2
h mass » _ mass, a mass, 1 mass
4.3 a » 4.3 _, 2.3 a, 4.1 a

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

• Adding a wildcard symbol may retrieve word variants: technologies based information about h mass communication 4.3 a development band africa.*.