Perhaps you should try some spelling variations:
"coder model using coding function" » "coder model using coding functions" (Expand search), "coder model using coping function" (Expand search), "coder model using crowding function" (Expand search), "coder model using coating function" (Expand search), "coder model using cooking function" (Expand search), "cover model using coding function" (Expand search), "decoder model using coding function" (Expand search), "copper model using coding function" (Expand search)
"_ python python python programming" » "_ pythons python python programming" (Expand search), "_ piton python python programming" (Expand search), "_ pitons 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 model using coding function") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder model using coding function\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder model using coding function ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder model using coding function") OR ("_ python python python programming"))*.