Perhaps you should try some spelling variations:
"coder coder cutting samples problem" » "coder coder cutting sample problem" (Expand search), "coder coder cutting sample problems" (Expand search), "coder coder cutting families problem" (Expand search), "coder under cutting samples problem" (Expand search), "coder node cutting samples problem" (Expand search), "coder over cutting samples problem" (Expand search), "coder decoder cutting samples problem" (Expand search), "code code cutting samples problem" (Expand search), "decoder codec cutting samples problem" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 cutting samples problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder cutting samples problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder cutting samples problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder cutting samples problem") OR ("on python python python programming"))*.