Perhaps you should try some spelling variations:
"coder decoder using batch problem" » "encoder decoder using batch problem" (Expand search), "coder disorder using batch problem" (Expand search), "coder decoding using batch problem" (Expand search), "coder cover using batch problem" (Expand search), "coder decoder using path problem" (Expand search), "coder decoder using math problem" (Expand search), "coder decoder using notch problem" (Expand search)
"and python python python programming" » "and pythons python python programming" (Expand search), "and piton python python programming" (Expand search), "and pitons python python programming" (Expand search), "in python python python programming" (Expand search), "on python python python programming" (Expand search), "api 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 decoder using batch problem") OR ("and python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoder using batch problem\") OR (\"and python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoder using batch problem ) OR ( and python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoder using batch problem") OR ("and python python python programming"))*.