Perhaps you should try some spelling variations:
teaching programming » teaching program (Expand search)
mining teaching » singing teaching (Expand search), linking teaching (Expand search), making teaching (Expand search)
patent mining » patent filing (Expand search), patent mapping (Expand search), content mining (Expand search)
coder patent » model patent (Expand search), open patent (Expand search), care patent (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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( coder patent mining teaching programming ) OR ( using coding _ python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder patent mining teaching programming ) OR ( using coding _ python programming ))*.