Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dac toan may snippets" » "dan toan may snippets", "duc toan may snippets", "dac tan may snippets", "dac toan ban snippets", "dac toan tap snippets", "dac toan cao snippets"

Try widening your search to All Fields.

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