Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
information center » information centers, information centre, information content
iot communication » post communication, et communication, get communication
technologie und » technologies 2.1
und information » fund information, road information, award information
developing asia » development asia, developing a
1.3 developing » 3.3 developing, 13 developing, 7.3 developing
center phase » center case, center place, context phase
asia africa » cpia africa, china africa
phase iot » phase i, phase ii, phase iii
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: technologie und information center phase iot communication cost 1.3 developing asia africa.*.