Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tap tran han snippets" » "tap tranh han snippets", "tan tran han snippets", "tap toan han snippets", "tap tran hanh snippets", "tap tran hoan snippets", "tap tran nhan 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 ("tap tran han snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tap tran han snippets"))) OR ("locating bug core snippets")).
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