Perhaps you should try some spelling variations:
"coder coder comprehension in programming" » "coder code comprehension in programming" (Expand search), "coder model comprehension in programming" (Expand search), "coder reader comprehension in programming" (Expand search), "coder coder comprehension and programming" (Expand search), "coder coder comprehension of programming" (Expand search), "coder coder comprehension _ programming" (Expand search), "coder coder comprehension c programming" (Expand search), "coder decoder comprehension in programming" (Expand search), "code code comprehension in programming" (Expand search), "decoder codec comprehension in programming" (Expand search)
"of python python python programming" » "of pythons python python programming" (Expand search), "of piton python python programming" (Expand search), "of pitons python python programming" (Expand search), "_ python 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 coder comprehension in programming") OR ("of python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder comprehension in programming\") OR (\"of python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder comprehension in programming ) OR ( of python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder comprehension in programming") OR ("of python python python programming"))*.