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