Perhaps you should try some spelling variations:
"coder coder affine matching problem" » "coder coder affine packing problem" (Expand search), "coder coder affine teaching problem" (Expand search), "coder coder affine cutting problem" (Expand search), "coder coder line matching problem" (Expand search), "coder under affine matching problem" (Expand search), "coder decoder affine matching problem" (Expand search), "code code affine matching problem" (Expand search), "decoder codec affine matching 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (("coder coder affine matching problem") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder affine matching problem\") OR (\"in python python python programming\"))".
• Removing quotes may allow a broader search: (( coder coder affine matching problem ) OR ( in python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder coder affine matching problem") OR ("in python python python programming"))*.