Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung hoc san snippets" » "dong hoc san snippets", "dung thuoc san snippets", "trung hoc san snippets", "dung hoc dan snippets", "dung toc san snippets", "dung hoc can 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 ("dung hoc san snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung hoc san snippets"))) OR ("locating bug core snippets")).
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