Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lon tu thanh snippets" » "lon thu thanh snippets", "lon su thanh snippets", "lon ta thanh snippets", "mon tu thanh snippets", "con tu thanh snippets", "ton tu thanh snippets", "lon tu thanh slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("lon tu thanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon tu thanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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