Perhaps you should try some spelling variations:
time communication » de communication, mobile communication, online communication
development matter » development matters, development master, development pattern
methods empirical » methods ethical
clean development » human development, urban development
section why » sector why, action why, fiction why
costs clean » costs clear
place time » space time
why place » thy place, why plan, my place

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

• Adding a wildcard symbol may retrieve word variants: methods empirical section why place time communication costs clean development matter _.*.