Perhaps you should try some spelling variations:
"coder coder patterns open problems" » "coder cover patterns open problems" (Expand search), "coder border patterns open problems" (Expand search), "coder color patterns open problems" (Expand search), "coder coder patterns on problems" (Expand search), "coder coder patterns over problems" (Expand search), "coder coder patterns of problems" (Expand search), "coder decoder patterns open problems" (Expand search), "code code patterns open problems" (Expand search), "decoder codec patterns open problems" (Expand search)
"via python python python programming" » "via pythons python python programming" (Expand search), "via piton python python programming" (Expand search), "via pitons python python programming" (Expand search), "in 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 patterns open problems\") OR (\"via python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder patterns open problems ) OR ( via python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder patterns open problems") OR ("via python python python programming"))*.