Perhaps you should try some spelling variations:
"coder modeling using in coverage" » "cover modeling using in coverage" (Expand search), "cover modelling using in coverage" (Expand search), "order modeling using in coverage" (Expand search), "coder model using in coverage" (Expand search), "coder models using in coverage" (Expand search), "coder modeling using and coverage" (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 modeling using in coverage") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder modeling using in coverage\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder modeling using in coverage ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder modeling using in coverage") OR ("_ python python python programming"))*.