Perhaps you should try some spelling variations:
"coder coder improve planning problem" » "coder coder improved planning problem" (Expand search), "coder coder improve learning problem" (Expand search), "coder coder improve training problem" (Expand search), "coder coder improve packing problem" (Expand search), "coder coder improve planning process" (Expand search), "coder model improve planning problem" (Expand search), "coder powder improves planning problem" (Expand search), "coder copper improves planning problem" (Expand search), "coder decoder improve planning problem" (Expand search), "code code improve planning problem" (Expand search), "decoder codec improve planning 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 improve planning problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder improve planning problem\") OR (\"api python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder improve planning problem ) OR ( api python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder improve planning problem") OR ("api python python python programming"))*.