Perhaps you should try some spelling variations:
communication approach » communication appendix, community approach, communication abstract
development efforts » development report
technology authors » technology author, technologies authors, technology methods
de communication » mobile communication, online communication
politics de » politicas de, politics die, politics _
efforts aid » efforts amid, efforts acd, efforts fail
2 politics » 2 political
approach 2 » approach 3, approach 4, approach 1
section 2 » section 1

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

• Adding a wildcard symbol may retrieve word variants: technology authors section 2 politics de communication approach 2 development efforts aid.*.