Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach voi can snippets" » "sach voi code snippets", "sach doi can snippets", "sach hoi can snippets", "sach moi can snippets", "sach voi cac snippets", "sach voi cong snippets", "sach voi hang snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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