Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"pha sinh cua snippets" » "pha sinh code snippets", "phau sinh cua snippets", "phai sinh cua snippets", "phap sinh cua snippets", "pha manh cua snippets", "pha dinh cuu snippets", "pha sinh va 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: (((("pha sinh cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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