[blueskin_]

Well, you used to be able to use "sofa" with google, which would exclude 'couch' etc. but then they killed that. Still works with other search engines.

[jpatokal]

sofa -couch still works. Also, verbatim mode: https://support.google.com/websearch/answer/142143?hl=en

[Dylan16807]

Won't sofa -couch exclude pages that have both words?