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