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)
"coder coder varying r program" » "coder under varying r program" (Expand search), "coder does varying r program" (Expand search), "coder after varying r program" (Expand search), "coder decoder varying r program" (Expand search), "code code varying r program" (Expand search), "decoder codec varying r program" (Expand search), "coder coder varying ar program" (Expand search), "coder coder varying n program" (Expand search), "coder coder varying m program" (Expand search), "coder coder varying year program" (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 varying r program") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder varying r program\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder varying r program ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder varying r program") OR ("in python python python programming"))*.