Perhaps you should try some spelling variations:
coder coupling » mode coupling (Expand search), model coupling (Expand search), core coupling (Expand search)
coupling level » coupling model (Expand search)
python coding » action coding (Expand search), python code (Expand search)
coding python » codigo python (Expand search), codigos python (Expand search), using python (Expand search)
coder python » codigo python (Expand search), compra python (Expand search)
level logic » level logistic (Expand search), nivel logico (Expand search), level atomic (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 python coding python programming ) OR ( coder coupling level logic programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( coder python coding python programming ) OR ( coder coupling level logic programming ))*.