Perhaps you should try some spelling variations:
development matter » development matters, development master, development pattern
time communication » de communication, mobile communication, online communication
methods empirical » methods ethical
clean development » human development, urban development
empirical action » empirical section, empirical fractions, empirical sections
costs clean » costs clear
action why » action who, action what, fiction why
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 action why place time communication costs clean development matter _.*.