Perhaps you should try some spelling variations:
"coder coder sparse coding problems" » "coder coder sparse loading problems" (Expand search), "coder coder sparse counting problems" (Expand search), "coder coder sparse covering problems" (Expand search), "coder over sparse coding problems" (Expand search), "coder under sparse coding problems" (Expand search), "coder novel sparse coding problems" (Expand search), "coder decoder sparse coding problems" (Expand search), "code code sparse coding problems" (Expand search), "decoder codec sparse coding problems" (Expand search)
"in pitons python python programming" » "in pitons pythons python programming" (Expand search), "in pitons piton python programming" (Expand search), "in pitons pytm python programming" (Expand search), "in pigeons python python programming" (Expand search), "in picos 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 sparse coding problems\") OR (\"in pitons python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder sparse coding problems ) OR ( in pitons python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder sparse coding problems") OR ("in pitons python python programming"))*.