Perhaps you should try some spelling variations:
"coder coder scomputer basis problem" » "coder model computer basis problem" (Expand search), "coder node computer basis problem" (Expand search), "coder counter computer basis problem" (Expand search), "coder coder computer basics problem" (Expand search), "coder coder scomputer assis problem" (Expand search), "coder coder computer based problem" (Expand search), "coder coder scomputer basic problems" (Expand search), "coder coder scomputer mass problem" (Expand search), "coder coder scomputer this problem" (Expand search), "coder decoder scomputer basis problem" (Expand search), "code code scomputer basis problem" (Expand search), "decoder codec scomputer basis 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 scomputer basis problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder scomputer basis problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder scomputer basis problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder scomputer basis problem") OR ("on python python python programming"))*.