1. Always keep a mental note of all possible matches before you start matching them. This way, you will be quick to match them. Remember there isn't any time limit, only move limit.
2. If you don't play for a few seconds, Candy Crush Saga will automatically provide a hint. You will see some candies flashing, showing a potential match. However, in objectives that task you to remove all jellies or bring down some ingredients at the bottom of the board, it would be wise not to use the hint system as it shows random potential matches. You won't be able to complete objectives solely with the use of hints. You will have to use your brains to get the right matches, not random matches.
3. In levels that task you to remove all jellies, target those candies that are covered with jellies or are close to the jelly-filled candy. This way you will be able to remove most jelly-filled spaces in a few moves.
4. Like other Saga games, Candy Crush Saga also has plenty of boosters. These "power-ups" help you achieve your objectives much quicker. There are different types of boosters, such as Extra Moves, Jelly Fish and Lollipop Hammer. Once you unlock any of them, it will show at the top-right corner of the screen. You will have to use them before starting a level.