Perhaps you should try some spelling variations:
"coder coder sdd concurrent programming" » "coder coder sdd constraint programming" (Expand search), "coder coder and concurrent programming" (Expand search), "coder coder based concurrent programming" (Expand search), "coder coder soft concurrent programming" (Expand search), "coder decoder sdd concurrent programming" (Expand search), "code code sdd concurrent programming" (Expand search), "decoder codec sdd concurrent programming" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in 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: (("coder coder sdd concurrent programming") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder sdd concurrent programming\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder sdd concurrent programming ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder sdd concurrent programming") OR ("via python python python programming"))*.