Perhaps you should try some spelling variations:
information center » information centers, information centre, information content
when communication » where communication, open communication, sign communication
communication cost » communication costs, communication costa, communications costs
technologie award » technologie und, technologie 3d, technologie a
award information » road information, fund information, und information
2.3 developing » 3.3 developing, 2.2 developing, 1.3 developing
developing de » developing e, developing ce, developing deep
center 3.1 » center 2.1, center 4.1, century 3.1
de africa » does africa, de america, use africa
3.1 when » 4.1 when, 6.1 when, 2.1 when
cost 2.3 » costs 2.3, cost 2.4, cost 2.2

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

• Adding a wildcard symbol may retrieve word variants: technologie award information center 3.1 when communication cost 2.3 developing de africa.*.