Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoc dao cac snippets" » "hoc dao code snippets", "hoc dan cac snippets", "hoc cao cac snippets", "hoc dai cac snippets", "hoc do cac snippets", "hoc sao cac snippets", "hoc tao 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: (((("hoc dao cac snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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