Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hoat dong o2 snippets" » "hoat dong code snippets", "hoat dong o snippets", "hoat dong 22 snippets", "hoat dong hoc snippets", "hoa dong o2 snippets", "hoan dong o2 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: (((("hoat dong o2 snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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