Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phap toan de snippets" » "phap toan code snippets", "phap hoan de snippets", "phap luan de snippets", "tap toan de snippets", "phap toan du snippets", "phap toan ke snippets", "phap toan ve snippets"
"python using java snippets" » "python using data 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 ("phap toan de snippets"))) or ("locating bug core snippets"))~.
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