Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thi dieu cac snippets" » "thi dieu code snippets", "thi lien cac snippets", "thi hien cac snippets", "vi dieu cac snippets", "thi dieu can snippets", "thi hieu cac snippets", "thi dien cac 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: (((("thi dieu cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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