Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cac thoi duc snippets" » "cac toi duc snippets", "cac hop duc snippets", "cac tro duc snippets", "cac tho duc snippets", "cac thoi dai snippets", "cac thi dua 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 ("cac thoi duc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cac thoi duc snippets"))) OR ("locating bug core snippets")).
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