Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"pha toc sach snippets" » "pha hoc sach snippets", "pha doc sach snippets", "pha thuoc sach snippets", "pha tron sach snippets", "phan tom sach snippets", "phap toi sach 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 ("pha toc sach snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("pha toc sach snippets"))) OR ("locating bug core snippets")).
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