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