Perhaps you should try some spelling variations:
"coder coder spanning forest problem" » "coder coder remaining forest problem" (Expand search), "coder cohort spanning forest problem" (Expand search), "coder cooker scanning forest problem" (Expand search), "coder under scanning forest problem" (Expand search), "coder coder spanning moment problem" (Expand search), "coder coder spanning forest peoples" (Expand search), "coder decoder spanning forest problem" (Expand search), "code code spanning forest problem" (Expand search), "decoder codec spanning forest 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 spanning forest problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder spanning forest problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder spanning forest problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder spanning forest problem") OR ("api python python python programming"))*.