Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cau hoc doi snippets" » "cau hoc code snippets", "cau hoi doi snippets", "cau hoa doi snippets", "cao hoc doi snippets", "cau hoc dai snippets", "cau hoc noi snippets", "cau 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: (((("cau hoc doi snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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