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