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