Perhaps you should try some spelling variations:
"coder model using design documentation" » "coder model using dental documentation" (Expand search), "coder model using heritage documentation" (Expand search), "coder model using design instrumentation" (Expand search), "cover model using design documentation" (Expand search), "decoder model using design documentation" (Expand search), "copper model using design documentation" (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 model using design documentation") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder model using design documentation\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder model using design documentation ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder model using design documentation") OR ("in python python python programming"))*.