Perhaps you should try some spelling variations:
computations using » computation using (Expand search), populations using (Expand search), computations in (Expand search)
locking pythons » blocking methods (Expand search)
course program » house program (Expand search)
pythons python » python python (Expand search), pitons python (Expand search), piton python (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( AND computations using course program ) OR ( using locking pythons python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( AND computations using course program ) OR ( using locking pythons python programming ))*.