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

Try widening your search to All Fields.

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