Perhaps you should try some spelling variations:
functions parameters » function parameters (Expand search), functions parameter (Expand search), functional parameters (Expand search)
power functions » power function (Expand search), motor functions (Expand search), taper functions (Expand search)
doi programming » co programming (Expand search), go programming (Expand search), box programming (Expand search)
parameters doi » parameters and (Expand search), parameters _ (Expand search), parameters by (Expand search)
using coping » using coding (Expand search), using coupling (Expand search), nursing coping (Expand search)

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

• Removing quotes may allow a broader search: (( power functions parameters doi programming ) OR ( using coping with python programming ))~.