Perhaps you should try some spelling variations:
"coder coder plot design program" » "coder coder plot design problem" (Expand search), "coder decoder plot design program" (Expand search), "code code plot design program" (Expand search), "decoder codec plot design program" (Expand search), "coder coder flat design program" (Expand search)
"_ pitons python python programming" » "_ pitons pythons python programming" (Expand search), "_ pitons piton python programming" (Expand search), "_ pitons pytm 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 plot design program") OR ("_ pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder plot design program\") OR (\"_ pitons python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder plot design program ) OR ( _ pitons python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder plot design program") OR ("_ pitons python python programming"))*.