Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thu phan duc snippets" » "thu nhan duc snippets", "thuat phan duc snippets", "than phan duc snippets", "thu pham duc snippets", "thu phan tu snippets", "thu phan dau 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 ("thu phan 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 ("thu phan duc snippets"))) OR ("locating bug core snippets")).
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