Perhaps you should try some spelling variations:
computations using » populations using (Expand search), computations in (Expand search), communications using (Expand search)
using locking » using docking (Expand search), using stacking (Expand search), using tracking (Expand search)
python python » pythons python (Expand search), piton python (Expand search), pitons python (Expand search)
naa program » paa program (Expand search), taa program (Expand search), casa program (Expand search)
using naa » using near (Expand search), using non (Expand search), using new (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 naa program ) OR ( using locking python python programming ))*.