Perhaps you should try some spelling variations:
"coder coder curves modelling problem" » "coder coder curves modelling problems" (Expand search), "coder coder curves modeling problems" (Expand search), "coder coder curves covering problem" (Expand search), "coder coder curve modelling problem" (Expand search), "coder coder surveys modelling problem" (Expand search), "coder coder curve modeling problem" (Expand search), "coder power curves modelling problem" (Expand search), "coder closed curves modelling problem" (Expand search), "coder convex curves modelling problem" (Expand search), "coder decoder curves modelling problem" (Expand search), "code code curves modelling problem" (Expand search), "decoder codec curves modelling 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 curves modelling problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder curves modelling problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder curves modelling problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder curves modelling problem") OR ("api python python python programming"))*.