Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"doc hang o2 snippets" » "doc hang code snippets", "doc hanh o2 snippets", "hoc hang o2 snippets", "oc hang o2 snippets", "doc hang hoa snippets", "doc hang rok snippets", "doc 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: (((("doc hang o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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