Perhaps you should try some spelling variations:
technologies changing » technology changing, technologies challenges, technologies chapter
changing information » exchanging information, managing information, change information
de communication » mobile communication, online communication
developing heart » developing east, developing smart, developing effort
4.1 developing » 3.1 developing, 4 developing, 3.3 developing
heart areas » desert areas
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
die de » die die, die der, die den

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

• Adding a wildcard symbol may retrieve word variants: technologies changing information _ die de communication costs 4.1 developing heart areas.*.