Perhaps you should try some spelling variations:
tracking algorithm » tracking algorithms (Expand search), training algorithm (Expand search), learning algorithm (Expand search)
selection array » selection area (Expand search), selection areas (Expand search), selection accuracy (Expand search)
code tracking » code tracing (Expand search), model tracking (Expand search), body tracking (Expand search)
using coding » using coping (Expand search), using coating (Expand search), using cooking (Expand search)

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

• Removing quotes may allow a broader search: (( code tracking algorithm selection array ) OR ( using coding _ python programming ))~.