Perhaps you should try some spelling variations:
computations using » populations using (Expand search), computations in (Expand search), communications using (Expand search)
course program » house program (Expand search), case program (Expand search)
locking pitons » loading pistons (Expand search)
using locking » using docking (Expand search), using stacking (Expand search), using tracking (Expand search)
using course » using coarse (Expand search), nursing course (Expand search), using purse (Expand search)

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

• Removing quotes may allow a broader search: (( AND computations using course program ) OR ( using locking pitons python programming ))*.