Perhaps you should try some spelling variations:
"coder coder based survey problems" » "coder coder based surgery problems" (Expand search), "coder coder based survey profiles" (Expand search), "coder coder based supply problems" (Expand search), "coder decoder based survey problems" (Expand search), "code code based survey problems" (Expand search), "decoder codec based survey problems" (Expand search), "coder code based survey problems" (Expand search), "coder foder based survey problems" (Expand search), "coder codec based survey problems" (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 based survey problems\") OR (\"in python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder based survey problems ) OR ( in python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder based survey problems") OR ("in python python python programming"))*.