for iOS 9.1 software

top of the page, then tap a search suggestion, or tap Go on the keyboard
to search for exactly what you typed. If you don’t want to see suggested
search terms, go to Settings > Safari, then (under Search) turn off Search
Engine Suggestions.
Quickly search a site you’ve visited before. Enter the name of the site,
followed by your search term. For example, enter “wiki einstein” to
search Wikipedia for “einstein.” Go to Settings > Safari > Quick
Website Search to turn this feature on or off.
Have your favorites top the list. Select them in Settings > Safari >
Favorites.
Search the page. To find a specific word or phrase on the current page,
tap , then tap Find on Page. Enter the word or phrase in the search field
to search. Tap to find other instances.
Choose your search tool. Go to Settings > Safari > Search Engine.