Perhaps you should try some spelling variations:
convex programming » cone programming (Expand search), computer programming (Expand search)
decrease convex » decrease covid (Expand search), decreased connexin (Expand search), decreased content (Expand search)
costing methods » costing method (Expand search)
python costing » python coding (Expand search)
methods python » methods action (Expand search), pythons python (Expand search), methods method (Expand search)
decrease not » decrease of (Expand search), decrease akt (Expand search), decrease at (Expand search)
not decrease » to decrease (Expand search), not increase (Expand search), and decrease (Expand search)

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

• Removing quotes may allow a broader search: (( decrease not decrease convex programming ) OR ( python costing methods python programming ))~.