Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tra cau he snippets" » "tra cau code snippets", "tra sau he snippets", "ta cau he snippets", "tra cuu he snippets", "tra cac he snippets", "tra cau ha snippets", "tra cau de 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 ("tra cau he snippets"))) or ("locating bug core snippets"))~.
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