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