Its acquired significance could be varied by the inflexion of the voice or the suggestion of inverted commas.
Any double inverted commas in text fields were replaced with single inverted commas.
Putting inverted commas around " west Devon " would make the results more specific than having the words separately.
There is no need to use inverted commas for a phrase of more than one word.
Another useful trick is to put inverted commas round the search term.