Perhaps you should try some spelling variations:
"coder animation python packing problem" » "coder animation cartoon packing problem" (Expand search), "coder animation to packing problem" (Expand search), "coder animation with packing problem" (Expand search), "model animation python packing problem" (Expand search), "models animation python packing problem" (Expand search), "video animation python packing problem" (Expand search), "coder animation python planning problem" (Expand search), "coder animation python package problem" (Expand search)
"learning python python python programming" » "learning path python python programming" (Expand search), "learning paths python python programming" (Expand search), "learning pythons python python programming" (Expand search), "learning piton python python programming" (Expand search), "learning pitons 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 animation python packing problem") OR ("learning python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder animation python packing problem\") OR (\"learning python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder animation python packing problem ) OR ( learning python python python programming ))*.