Perhaps you should try some spelling variations:
wave communication » wave communications, aware communication, face communication
sphere developing » other developing, science developing, mothers developing
technologies 2 » technologies _, technologies 4
information 2 » information 3
costs sphere » cross sphere, costs other, costs short
developing 2 » developing _, developing a, developing e
2 areas » 1 areas, 2 areal, 4 areas
2 ict » 12 ict, _ ict, 2 ist

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information 2 ict wave communication costs sphere developing 2 areas.*.