Also, lateral thinking and creative use of keywords.
Quote words that you want to find together, e.g. "bike tag", put a + before anything you definitely want to search on and a - before anything you wish to exclude.
So, if you're searching for stags and don't want stag parties, you could do:
stag -"stag party" -"stag night"
or
stag -party -night
If you click "Advanced Search" you get all sorts of goodies.
Or you could just google image "stag sculpture London" which surprisingly worked!
Or you could just google image "stag sculpture London" which surprisingly worked!