Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"mong hoc doi snippets" » "mong hoc code snippets", "dong hoc doi snippets", "mon hoc doi snippets", "mang hoc doi snippets", "mong hoc dai snippets", "mong hoc noi snippets", "mong hoc moi 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 ("mong hoc doi snippets"))) or ("locating bug core snippets"))~.
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