Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thu toan duc snippets" » "thu hoan duc snippets", "thu loan duc snippets", "thu soan duc snippets", "thu tran duc snippets", "thu toan du snippets", "thu ton duc snippets"

Try widening your search to All Fields.

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