Perhaps you should try some spelling variations:
virtual communication » visual communication, verbal communication, cultural communication
technologies 2.1 » technologies _, technologies 4, technologies a
developing state » developing states, developing stable, developing strategy
2.1 information » 3.1 information
information 2 » information 3
4 developing » 3 developing
state africa » trade africa
dan virtual » das virtual, a virtual, call virtual
costs 4 » costs _, costs a, costs 4.2
2 dan » 2 das, _ dan, 1 dan

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

• Adding a wildcard symbol may retrieve word variants: technologies 2.1 information 2 dan virtual communication costs 4 developing state africa.*.