Perhaps you should try some spelling variations:
information costs » information contents, information centers, information content
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
3 communication » 4 communication, de communication, data communication
technology 2.2 » technology _, technology 1, technology 3
developing wup » developing amp, developing bop, developing crop
costs debate » arts debate, city debate, class debate
1 developing » 3 developing, 4 developing, 2 developing
wup africa » eu africa
debate 3 » debate _, debate 4, debate a
costs 1 » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information costs debate 3 communication costs 1 developing wup africa.*.