Perhaps you should try some spelling variations:
personal communication » interpersonal communication
technologies co » technologies _, technologies 4, technologies 2
co information » do information, 2 information, 1 information
services des » services does, services de, service des
des personal » des personals, der personal, das personal
1 developing » 3 developing, 4 developing, 2 developing
developing 1 » developing _, developing a, developing e
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technologies co information services des personal communication costs 1 developing 1 africa.*.