Do you feel your Scrum team does not work as it should? Do you have an impression that practicing Agile should be easier according to books and trainings but for some reasons your case is special? I have read a good article that lists some popular anti-patterns of doing Scrum sprints. Check it out. Probably you do some of them too. Locate them, educate yourself and fix them.
27 Sprint Anti-Patterns Holding Back Scrum Teams
Check other anti-patterns in Scrum: