Perhaps you should try some spelling variations:
java programming » and programming (Expand search), based programming (Expand search), goal programming (Expand search)
power fraction » power fractional (Expand search), power function (Expand search), power action (Expand search)
fraction using » fractions using (Expand search), reaction using (Expand search), function using (Expand search)
teaching api » teaching anti (Expand search), teaching axis (Expand search), teaching 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 fraction using java programming ) OR ( learning teaching api python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( power fraction using java programming ) OR ( learning teaching api python programming ))*.