Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"bac con cua snippets" » "bac con code snippets", "bac son cua snippets", "bac can cua snippets", "bai con cua snippets", "bac cong cua snippets", "bac co cua snippets", "bac dong cua 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: (((("bac con cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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