Perhaps you should try some spelling variations:
information networks » information needs
developing nation » developing nations, developing national, developing taxation
de communication » mobile communication, online communication
nation american » latin american, native american, nation americanism
3.3 developing » 4 developing, 2 developing, 1 developing
technology 1 » technology _
networks a » networks 1
costs 3.3 » costs 2.3, costs 3.5, costs 4.3
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information networks a de communication costs 3.3 developing nation american.*.