Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dao cao hoc snippets" » "dao cao code snippets", "dao tao hoc snippets", "bao cao hoc snippets", "tao cao hoc snippets", "dao co hoc snippets", "dao cho hoc snippets", "dao chat hoc 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: (((("python using java snippets") or ("dao cao hoc snippets"))) or ("locating bug core snippets"))~.
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