Perhaps you should try some spelling variations:
"coder coder vending matching problem" » "coder coder vending machine problem" (Expand search), "coder coder vending machines problem" (Expand search), "coder coder string matching problem" (Expand search), "coder coder vending packing problem" (Expand search), "coder coder vending teaching problem" (Expand search), "coder coder vending cutting problem" (Expand search), "coder under bending matching problem" (Expand search), "coder code blending matching problem" (Expand search), "coder order bending matching problem" (Expand search), "coder decoder vending matching problem" (Expand search), "code code vending matching problem" (Expand search), "decoder codec vending matching 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)

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 vending matching problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder vending matching problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder vending matching problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder vending matching problem") OR ("api python python python programming"))*.