Perhaps you should try some spelling variations:
device communication » services communication, voice communication, mobile communication
information based » information case, information bank, transformation based
developing last » developing east, developing waste, developing based
technologie de » technologies de, technologie der, technologie die
de information » die information, de informacion, e information
4.2 developing » 2.2 developing, 3.2 developing, 4.1 developing
last accessed » all accessed

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

• Adding a wildcard symbol may retrieve word variants: technologie de information based _ device communication costs 4.2 developing last accessed.*.