Perhaps you should try some spelling variations:
"coder coder maxima convex programming" » "coder coder maxima cone programming" (Expand search), "coder coder maxima computer programming" (Expand search), "coder poder maximo convex programming" (Expand search), "coder molar maxima convex programming" (Expand search), "coder dose maxima convex programming" (Expand search), "coder decoder maxima convex programming" (Expand search), "code code maxima convex programming" (Expand search), "decoder codec maxima convex programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder maxima convex programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder maxima convex programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder maxima convex programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder maxima convex programming") OR ("api python python python programming"))*.