Perhaps you should try some spelling variations:
"coder coder continuous variable problem" » "coder coder continuous variables problem" (Expand search), "coder coder continuously variable problem" (Expand search), "coder under continuous variable problem" (Expand search), "coder order continuous variable problem" (Expand search), "coder elder continuous variable problem" (Expand search), "coder coder continuous variable probit" (Expand search), "coder coder continuous variable power" (Expand search), "coder decoder continuous variable problem" (Expand search), "code code continuous variable problem" (Expand search), "decoder codec continuous variable 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 continuous variable problem") OR ("_ python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder continuous variable problem\") OR (\"_ python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder continuous variable problem ) OR ( _ python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder continuous variable problem") OR ("_ python python python programming"))*.