Perhaps you should try some spelling variations:
"coder coder graph bisection problem" » "coder coder graph section problem" (Expand search), "coder coder graph selection problem" (Expand search), "coder coder graph detection problem" (Expand search), "coder coder graph distortion problem" (Expand search), "coder decoder graph bisection problem" (Expand search), "code code graph bisection problem" (Expand search), "decoder codec graph bisection problem" (Expand search), "coder codes graphs bisection problem" (Expand search), "coder over graph bisection problem" (Expand search), "coder order graph bisection 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 graph bisection problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder graph bisection problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder graph bisection problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder graph bisection problem") OR ("api python python python programming"))*.