Perhaps you should try some spelling variations:
"coder coder gray scale problems" » "coder coder gray value problems" (Expand search), "coder coder gray some problems" (Expand search), "coder coder gray solve problems" (Expand search), "coder decoder gray scale problems" (Expand search), "code code gray scale problems" (Expand search), "decoder codec gray scale problems" (Expand search), "coder coder grau scale problems" (Expand search), "coder coder gran scale problems" (Expand search), "coder coder gram scale problems" (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.

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