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