Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"gian hat doi snippets" » "gian hat code snippets", "gian ha doi snippets", "gian dat doi snippets", "giang nhat doi snippets", "gian hoat doi snippets", "gian thay doi snippets", "gian hang doi 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: (((("gian hat doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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