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