Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac tri hoi snippets" » "cac tri code snippets", "cac tro hoi snippets", "cac toi hoi snippets", "cac thi hoi snippets", "cac tri hoc snippets", "cac tri doi snippets", "cac tri moi 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 ("cac tri hoi snippets"))) or ("locating bug core snippets"))~.
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