Perhaps you should try some spelling variations:
empirical question » empirical section
mining development » mine development, housing development
methods empirical » methods ethical
csr communication » de communication, 3 communication, 4 communication
development case » development china
question part » question a
costs mining » costs missing, costs timing, costs defining
part place » part played, part player, hard place
place csr » place c, place usa, place use
case car » case case, case c

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

• Adding a wildcard symbol may retrieve word variants: methods empirical question part place csr communication costs mining development case car.*.