Perhaps you should try some spelling variations:
"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)
"coder coding ldpc using reference" » "modern coding ldpc using reference" (Expand search), "color coding ldpc using reference" (Expand search), "odor coding ldpc using reference" (Expand search), "coder coding lpc using reference" (Expand search), "coder codigo ldpc using reference" (Expand search), "coder codigos ldpc using reference" (Expand search), "coder coding lhc using reference" (Expand search), "coder coding adc using reference" (Expand search), "coder coding dc using reference" (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 coding ldpc using reference") OR ("in python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coding ldpc using reference\") OR (\"in python python python programming\"))*".
• Removing quotes may allow a broader search: (( coder coding ldpc using reference ) OR ( in python python python programming ))*.