Perhaps you should try some spelling variations:
"coder precoder caps convex programming" » "coder precoder caps cone programming" (Expand search), "coder precoder caps computer programming" (Expand search), "coder decoder caps convex programming" (Expand search), "coder precoder hp 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 precoder caps convex programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder precoder caps convex programming\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder precoder caps convex programming ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder precoder caps convex programming") OR ("api python python python programming"))*.