Perhaps you should try some spelling variations:
computation using » computations using (Expand search), computation in (Expand search), composition using (Expand search)
locking pythons » blocking methods (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)
case program » care program (Expand search), casa program (Expand search), lease program (Expand search)
using case » using cad (Expand search), using charge (Expand search), using castor (Expand search)

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

• Removing quotes may allow a broader search: (( AND computation using case program ) OR ( using locking pythons python programming ))*.