Although combination blades certainly exist and are useful for a lot of general work, there are specialty blades that do a better job for just about any specific job. If you are having trouble, you should probably change the blade.
There is a mention in this video about some Specialty Blades. You will find those video clips listed on the left in the "Specialty Circular Saw Blades" video set, particularly the Glue Line Rip blade, the Laminate Flooring blade and the Negative Tooth Angle blade for miter saw work on pipes and profiles.
Learning Curve 105