Perhaps you should try some spelling variations:
functioning levels » functional levels (Expand search), functional level (Expand search)
role functioning » of functioning (Expand search), the functioning (Expand search), non functioning (Expand search)
java programming » and programming (Expand search), based programming (Expand search), goal programming (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)
levels java » levels have (Expand search), levels data (Expand search), levels basal (Expand search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( role functioning levels java programming ) OR ( using coding python python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( role functioning levels java programming ) OR ( using coding python python programming ))*.