Do phrase matches. Phrases matching the order in which you typed keywords above.
Do whole word matching. Whole words is a word on it's own - partial words is where a word matches within a word.
Do partial word matching.
Give extra high relevance if all keywords is present on a page. (These matches will be displayed first)
Search page titles
Search page meta descriptions
Search page meta keywords
Search page contents
Extra high relevance for phrase matches
Extra high relevance for whole word matches