Perhaps you should try some spelling variations:
"coder coder model varying parameter" » "coder coder model carrying parameter" (Expand search), "coder coder model avaraging parameter" (Expand search), "coder coder under varying parameter" (Expand search), "coder decoder model varying parameter" (Expand search), "code code model varying parameter" (Expand search), "decoder codec model varying parameter" (Expand search), "coder cover model varying parameter" (Expand search), "coder copper model varying parameter" (Expand search)
"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)

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 model varying parameter") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder model varying parameter\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder model varying parameter ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder model varying parameter") OR ("in python python python programming"))*.