Perhaps you should try some spelling variations:
3.4 communication » 5.4 communication, 3.2 communication, 3.5 communication
rate information » trade information, care information, age information
developpement la » developpement de, developpement et, developpement du
technology rate » technology state, technology role, technology related
4 developpement » de developpement, le developpement, et developpement
information 2 » information 3
la afrique » l afrique, la fabrique, en afrique
2 preisen » 2 preise, 2 reisen, 2 premises
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: technology rate information 2 preisen 3.4 communication costs 4 developpement la afrique.*.