Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
human developments » human development, demand developments, bhutan development
information der » information oder, information does, informatik der
technologies 2 » technologies _, technologies 4
developments 1 » developments _, developments 4, developments 3
costs human » sts human, ghosts humans, beasts human
1 african » _ african, 1 africa, 2 african
5d data » 3d data, d data, id data
der 5d » der 50, der 55, der 58

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information der 5d data communications costs human developments 1 african.*.