Perhaps you should try some spelling variations:
information officers » information services
sex communication » de communication, ec communication, et communication
technologien mit » technologies mimt, technologien im, technologien ist
mit information » might information, math information, ct information
officers 3.9 » officers _, office 3.1, office 3.7
4 developing » 3 developing
3.9 sex » 3.9 seps, 3.9 tsei, 3.9 user
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technologien mit information officers 3.9 sex communication costs 4 developing _ africa.*.