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