Perhaps you should try some spelling variations:
proper functioning » proper function (Expand search), role functioning (Expand search), improve functioning (Expand search)
functioning in » functioning of (Expand search)
coverage from » beverage from (Expand search), coverage of (Expand search), coverage on (Expand search)
coding python » codigo python (Expand search), codigos python (Expand search), using python (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
using coding » using coping (Expand search), using coating (Expand search), using cooking (Expand search)
in coverage » and coverage (Expand search)

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

• Removing quotes may allow a broader search: (( proper functioning in coverage from ) OR ( using coding python python programming ))~.