Perhaps you should try some spelling variations:
function working » function during (Expand search), education working (Expand search), function modeling (Expand search)
java programming » and programming (Expand search), based programming (Expand search), goal programming (Expand search)
power function » liver function (Expand search), taper function (Expand search)
working java » working day (Expand search), working at (Expand search), working and (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: "(( power function working java programming ) OR ( learning teaching _ python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( power function working java programming ) OR ( learning teaching _ python programming ))*.