Perhaps you should try some spelling variations:
"coder coding decoding ldpc classes" » "coder encoding decoding ldpc classes" (Expand search), "coder reading decoding ldpc classes" (Expand search), "coder joint decoding ldpc classes" (Expand search), "coder coding coding ldpc classes" (Expand search), "coder coding decoding map classes" (Expand search), "modern coding decoding ldpc classes" (Expand search), "color coding decoding ldpc classes" (Expand search), "odor coding decoding ldpc classes" (Expand search), "coder coding decoding logic classes" (Expand search), "coder coding decoding las classes" (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.

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