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)
"modern code using method validation" » "modern code using methods validation" (Expand search), "modern code curing method validation" (Expand search), "modern code dosing method validation" (Expand search), "model code using method validation" (Expand search), "modern made using method validation" (Expand search), "modern coding using method validation" (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: (("modern code using method validation") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modern code using method validation\") OR (\"in python python python programming\"))*".
• Removing quotes may allow a broader search: (( modern code using method validation ) OR ( in python python python programming ))*.