Toggle coverage and Expression coverage does not included in coverage report

Hi, I am currently trying to take line, toggle and expression coverage from a verification IP. I have prepared cov_spec file and gave option 

-code-cov a

for covering all. However, final db only consist line, functional and assertion coverage. I also wanted to see expression and toggle coverage. Can you describe me except instrumenting using +b option what should I do. Below  .dpf file given. 

Thanks