Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"sinh hoc dat snippets" » "sinh hoc dan snippets", "sinh hoc dai snippets", "sinh hoc phat snippets", "dinh hoc dat snippets", "minh hoc dat snippets", "kinh hoc dat snippets"

Try widening your search to All Fields.

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