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