Perhaps you should try some spelling variations:
"coder coder using survey problem" » "coder coder using survey problems" (Expand search), "coder coder using curve problem" (Expand search), "coder coder using survey profiles" (Expand search), "coder decoder using survey problem" (Expand search), "code code using survey problem" (Expand search), "decoder codec using survey problem" (Expand search), "coder coders using survey problem" (Expand search), "coder cover using survey problem" (Expand search), "coder code using survey problem" (Expand search)
"in python python python programming" » "in pythons python python programming" (Expand search), "in piton python python programming" (Expand search), "in pitons python python programming" (Expand search), "_ python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder using survey problem\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder using survey problem ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder using survey problem") OR ("in python python python programming"))*.