Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"sach dat hoc snippets" » "sach dat code snippets", "sach dao hoc snippets", "sach danh hoc snippets", "sach bai hoc snippets", "sach dai hoc snippets", "sach vat hoc snippets", "sach dan hoc 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: (((("python using java snippets") or ("sach dat hoc snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("sach dat hoc snippets"))) OR ("locating bug core snippets")).
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