Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tan hoc doi snippets" » "tan hoc code snippets", "toan hoc doi snippets", "than hoc doi snippets", "van hoc doi snippets", "tan hoc dai snippets", "tan hoc noi snippets", "tan hoc moi 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 ("tan hoc doi snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tan hoc doi snippets"))) OR ("locating bug core snippets")).
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