Perhaps you should try some spelling variations:
"modeling using python logic programming" » "model using python logic programming" (Expand search), "models using python logic programming" (Expand search), "modeling usando python logic programming" (Expand search), "modeling in python logic programming" (Expand search), "modeling using action logic programming" (Expand search)
"python python python python programming" » "pythons python pythons python programming" (Expand search), "piton python piton python programming" (Expand search), "pitons python pitons 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: (("modeling using python logic programming") OR ("python python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modeling using python logic programming\") OR (\"python python python python programming\"))*".
• Removing quotes may allow a broader search: (( modeling using python logic programming ) OR ( python python python python programming ))*.