Perhaps you should try some spelling variations:
"coder coder tracking packing problem" » "coder coder tracking cycling problem" (Expand search), "coder coder tracking learning problem" (Expand search), "coder coder packing unpacking problem" (Expand search), "coder coder tracking planning problem" (Expand search), "coder code tracking packing problem" (Expand search), "coder power tracking packing problem" (Expand search), "coder order tracking packing problem" (Expand search), "coder decoder tracking packing problem" (Expand search), "code code tracking packing problem" (Expand search), "decoder codec tracking 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 tracking packing problem") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder tracking packing problem\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder tracking packing problem ) OR ( api python python python programming ))*.