Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"gian hang o2 snippets" » "gian hang code snippets", "gian lang o2 snippets", "gia hang o2 snippets", "gan hang o2 snippets", "gian hang hoa snippets", "gian hang rok snippets", "gian hang ton 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 hang o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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