Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi sach doi snippets" » "thi sach code snippets", "thi bach doi snippets", "thu sach doi snippets", "theo sach doi snippets", "thi sach hoi snippets", "thi sach moi snippets", "thi sach dao 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: (((("thi sach doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi sach doi snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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