Perhaps you should try some spelling variations:
"coder coder model machine problem" » "coder coder model matching problem" (Expand search), "coder coder model teaching problem" (Expand search), "coder coder model teaching problems" (Expand search), "coder coder modelos machine problem" (Expand search), "coder coder novel machine problem" (Expand search), "coder decoder model machine problem" (Expand search), "code code model machine problem" (Expand search), "decoder codec model machine problem" (Expand search), "coder cover model machine problem" (Expand search), "coder copper model machine 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 model machine problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder model machine problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder model machine problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder model machine problem") OR ("api python python python programming"))*.