Perhaps you should try some spelling variations:
rate decrease » rats decreases (Expand search), ratio decrease (Expand search), rate increase (Expand search)
decrease java » decrease and (Expand search), decrease hiv (Expand search), decrease akt (Expand search)
java programs » and programs (Expand search), care programs (Expand search), java programming (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
data python » dado python (Expand search), gate python (Expand search), dados python (Expand search)
cover rate » cover data (Expand search), coverage rate (Expand search)

You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: (( cover rate decrease java programs ) OR ( python data python python programming ))~.