Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoang cao so snippets" » "hoang cao code snippets", "hoang bao so snippets", "hoang hao so snippets", "hoang thao so snippets", "hoang cao son snippets", "hoang co so snippets", "hoang cao su 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: (((("hoang cao so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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