You can search for combined words or phrases by using "AND" or "OR" (with capital letters).
E.g. You can search for VELFAC 200 AND glazing bar. All pages where both words are used will be found.
You can also use an asterisk "*" to search for terms where you can't remember the whole phrase e.g. Glazing *. This will return results for all phrases that include glazing followed by another word.