Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc hai toan snippets" » "doc hai code snippets", "doc bai toan snippets", "doc hai tan snippets", "doc hach toan snippets", "hoc hai toan snippets", "do hai toan snippets", "duc hai toan 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: (((("doc hai toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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