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