In this case, including the quotation marks in the search string—"error -10810" as opposed to error -10810 —will produce a reasonably relevant set of results.
But better is to put the quotes around just the number, as in
error "-10810". This way, the number doesn't have to immediately follow the word "error". (For example, it will find a page that talks about "Error code -10810", and even pages that don't use the word "error" at all.
