Perhaps you should try some spelling variations:
"coder decoder lower number problem" » "encoder decoder lower number problem" (Expand search), "coder decoder model number problem" (Expand search), "coder decoder codec number problem" (Expand search), "coder decoder lower numbers problem" (Expand search), "coder decoder flower number problem" (Expand search), "coder decoder power number 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 lower number problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder lower number problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder lower number problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder lower number problem") OR ("api python python python programming"))*.