Perhaps you should try some spelling variations:
technologies during » technology during, technologies series, technologies changing
during information » using information, buying information, ordering information
oral communication » personal communication
information needs » information networks
development co » development case, development china
4 development » 2 development, 4 developing
co afrique » en afrique, l afrique
needs de » needs men, needs one, needs _
de oral » de otras, new oral
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologies during information needs de oral communication costs 4 development co afrique.*.