Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
technologies 2.1 » technologies _, technologies 4, technologies a
developing human » development human, developing a, developing asia
2.1 information » 3.1 information
information 1.3 » information 14.3, information 1.2, information 10.4
4 developing » 3 developing
human access » human cancers, human assets, loan access
die time » rie time, life time, time time
1.3 die » 3.3 die, 2.3 die, 4.3 die
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: technologies 2.1 information 1.3 die time communication costs 4 developing human access.*.