Perhaps you should try some spelling variations:
"_ pitons python python programming" » "_ pitons pythons python programming" (Expand search), "_ pitons piton python programming" (Expand search), "_ pitons pytm python programming" (Expand search)
"coder coding long shadow detection" » "modern coding long shadow detection" (Expand search), "color coding long shadow detection" (Expand search), "odor coding long shadow detection" (Expand search), "coder coding loop shadow detection" (Expand search), "coder coding on shadow detection" (Expand search), "coder modeling long shadow detection" (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 coding long shadow detection") OR ("_ pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding long shadow detection\") OR (\"_ pitons python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding long shadow detection ) OR ( _ pitons python python programming ))*.