Perhaps you should try some spelling variations:
"coding decoding using linear programming" » "encoding decoding using linear programming" (Expand search), "reading decoding using linear programming" (Expand search), "joint decoding using linear programming" (Expand search), "coding debonding using linear programming" (Expand search), "coding precoding using linear programming" (Expand search), "coding coding using linear programming" (Expand search)
"python python python python programming" » "pythons python pythons python programming" (Expand search), "piton python piton python programming" (Expand search), "pitons python pitons 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: (("coding decoding using linear programming") OR ("python python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coding decoding using linear programming\") OR (\"python python python python programming\"))".
• Removing quotes may allow a broader search: (( coding decoding using linear programming ) OR ( python python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coding decoding using linear programming") OR ("python python python python programming"))*.