Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
get communication » et communication, debt communication, de communication
technologies 2 » technologies _, technologies 4
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
contents help » contents head, contents map, contents how
developing 1 » developing _, developing a, developing e
help get » help me, help cut, help her
cost 1.3 » cost 11.3, cost 1.2, cost 2.3

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information contents help get communication cost 1.3 developing 1 africa.*.