Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tat bach cau snippets" » "tat bach code snippets", "trac bach cau snippets", "thi bach cau snippets", "tat bao cau snippets", "tat bac cau snippets", "tat bach mai snippets", "tat sach cap 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: (((("tat bach cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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