Perhaps you should try some spelling variations:
"coder decoder using xor problem" » "encoder decoder using xor problem" (Expand search), "coder disorder using xor problem" (Expand search), "coder decoding using xor problem" (Expand search), "coder cover using xor problem" (Expand search), "coder decoder using or problem" (Expand search), "coder decoder using tour problem" (Expand search), "coder decoder using or problems" (Expand search), "coder decoder using xirp problem" (Expand search), "coder decoder using x problem" (Expand search), "coder decoder using xrd 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), "rpa python python python programming" (Expand search), "manim python 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 decoder using xor problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder using xor problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder using xor problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder using xor problem") OR ("api python python python programming"))*.