Perhaps you should try some spelling variations:
"coder coder photon detection problem" » "coder coder photon selection problem" (Expand search), "coder coder photon detection program" (Expand search), "coder coder photon demarcation problem" (Expand search), "coder coder emotion detection problem" (Expand search), "coder coder photon detectors problem" (Expand search), "coder coder motion detection problem" (Expand search), "coder one photon detection problem" (Expand search), "coder or photon detection problem" (Expand search), "coder over photo detection problem" (Expand search), "coder decoder photon detection problem" (Expand search), "code code photon detection problem" (Expand search), "decoder codec photon detection problem" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ 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 coder photon detection problem") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder photon detection problem\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder photon detection problem ) OR ( _ python python python programming ))*.