Perhaps you should try some spelling variations:
"modern coding of concurrent programming" » "modern coding of constraint programming" (Expand search), "modern housing of concurrent programming" (Expand search), "modern code of concurrent programming" (Expand search), "modern china of concurrent programming" (Expand search), "modern coding of current programming" (Expand search), "modern bonding of concurrent programming" (Expand search), "modern coding _ concurrent programming" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search), "manim python 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: (("modern coding of concurrent programming") OR ("api python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"modern coding of concurrent programming\") OR (\"api python python python programming\"))*".
• Removing quotes may allow a broader search: (( modern coding of concurrent programming ) OR ( api python python python programming ))*.