Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bang cac hoc snippets" » "bang cac code snippets", "nang cao hoc snippets", "hang ca hoc snippets", "dung cac hoc snippets", "bang cach hoc snippets", "bang cac hop snippets", "bang bac hoc 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: (((("bang cac hoc snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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