Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phap hoc duc snippets" » "phap hoan duc snippets", "phap mo duc snippets", "phap han duc snippets", "phap hoc duoc snippets", "phap hoc nuoc snippets", "phap hoc thuc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phap hoc duc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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