Perhaps you should try some spelling variations:
"coder modeling using some examples" » "cover modeling using some examples" (Expand search), "cover modelling using some examples" (Expand search), "order modeling using some examples" (Expand search), "coder model using some examples" (Expand search), "coder models using some examples" (Expand search), "coder modeling using som examples" (Expand search), "coder modeling using soil examples" (Expand search), "coder modeling using soft examples" (Expand search)
"_ pitons python python programming" » "_ pitons pythons python programming" (Expand search), "_ pitons piton python programming" (Expand search), "_ pitons pytm 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 modeling using some examples") OR ("_ pitons python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder modeling using some examples\") OR (\"_ pitons python python programming\"))*".
• Removing quotes may allow a broader search: (( coder modeling using some examples ) OR ( _ pitons python python programming ))*.