Perhaps you should try some spelling variations:
gold communication » good communication, world communication, ihrd communication
technologies 3 » technologies _, technologies 4, technologies 2
3 information » 1 information
20 developing » 2 developing, 10 developing, 24 developing
contents co » contents how, contents lcm, contents 1
costs 20 » costs 60, costs 2.3, costs 2.1
co gold » vom gold

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

• Adding a wildcard symbol may retrieve word variants: technologies 3 information contents co gold communication costs 20 developing _ africa.*.