Perhaps you should try some spelling variations:
their population » their populations (Expand search), the population (Expand search), their modulation (Expand search)
cone programming » and programming (Expand search), computer programming (Expand search), _ programming (Expand search)
parameters cone » parameters bone (Expand search), parameters core (Expand search), parameters honey (Expand search)
using coping » using coding (Expand search), using coupling (Expand search), nursing coping (Expand search)
coping in » coping _ (Expand search)
in python » _ python (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: "(( their population parameters cone programming ) OR ( using coping in python programming ))~".
• Adding a wildcard symbol may retrieve word variants: (( their population parameters cone programming ) OR ( using coping in python programming ))*.