Perhaps you should try some spelling variations:
"coder coder using linear programm" » "coder coder using linear program" (Expand search), "coder coder using linear programs" (Expand search), "coder coder using linear programmin" (Expand search), "coder decoder using linear programm" (Expand search), "code code using linear programm" (Expand search), "decoder codec using linear programm" (Expand search), "coder coders using linear programm" (Expand search), "coder cover using linear programm" (Expand search), "coder code using linear programm" (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 using linear programm") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using linear programm\") OR (\"_ python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coder using linear programm ) OR ( _ python python python programming ))*.