Perhaps you should try some spelling variations:
"coder coder learning optimization model" » "coder coder planning optimization model" (Expand search), "coder coder training optimization model" (Expand search), "coder coder learning organization model" (Expand search), "coder coder learning optimization and" (Expand search), "coder codes learning optimization model" (Expand search), "coder modern learning optimization model" (Expand search), "coder model learning optimization model" (Expand search), "coder decoder learning optimization model" (Expand search), "code code learning optimization model" (Expand search), "decoder codec learning optimization model" (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 coder learning optimization model") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder learning optimization model\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder learning optimization model ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder learning optimization model") OR ("api python python python programming"))*.