Original reported in owncloud/core#13685 by @jnfrmarks

Steps to reproduce

1. Install owncloud
2. Upload a .txt file that contains the word owncloud (or, create one locally)
3. Upload a pdf file that contains the word owncloud
4. upload a doc/docx file that contains the word owncloud
5. upload an xlsx file that contains the word owncloud
6. upload an odt file that contains the work owncloud
7. enter owncloud in the search box

Expected behaviour

Expect results to contain all files

Actual behaviour

Results contain only odt and pdf files

Server Host info:

Ubuntu 14.04
PHP 5.5.9

Server configuration

ownCloud Enterprise Edition 8.0 beta 2 (testing)