Perhaps you should try some spelling variations:
"coder decoder shift problem program" » "coder decoder shift program program" (Expand search), "coder decoder shift projovem programa" (Expand search), "coder decoder shift program programa" (Expand search), "encoder decoder shift problem program" (Expand search), "coder decoder shift problems program" (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 decoder shift problem program") OR ("via python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder shift problem program\") OR (\"via python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder shift problem program ) OR ( via python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder shift problem program") OR ("via python python python programming"))*.