Perhaps you should try some spelling variations:
methodology empirical » methods empirical
time communication » de communication, mobile communication, online communication
development matter » development matters, development master, development pattern
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
matter a » matter _

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

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