Did you attempt to add the magnet sets for the clothing?  There are magnetize props for Vicky 4 to help clothing better fit her shapes.  Also, there are several options to select under Properties/Parameters for each item of clothing for better fit.  

Couple of tips: if you are using clothing that covers most of the body, you can make her body parts invisible so they won't poke through.  Unfortunately, this is not feasible with scantily fitting clothing.  Your best bet under those circumstances would be to use PP2014's morphing brush to loosen those illfitting areas.