Perhaps you should try some spelling variations:
"coder decoding using java problem" » "coding decoding using java problem" (Expand search), "coder decoder using java problem" (Expand search), "barcode decoding using java problem" (Expand search), "coder debonding using java problem" (Expand search), "coder precoding using java problem" (Expand search), "coder coding using java problem" (Expand search), "coder decoding using ava problem" (Expand search), "coder decoding using data problem" (Expand search), "coder decoding using falva problems" (Expand search)
"on python python python programming" » "on pythons python python programming" (Expand search), "on piton python python programming" (Expand search), "on pitons python python programming" (Expand search), "in python pythin python programming" (Expand search), "of python pythof python programming" (Expand search), "_ python pyth_ 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 decoding using java problem") OR ("on python python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder decoding using java problem\") OR (\"on python python python programming\"))".
• Removing quotes may allow a broader search: (( coder decoding using java problem ) OR ( on python python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("coder decoding using java problem") OR ("on python python python programming"))*.