Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tac ma cua snippets" » "tac ma code snippets", "tac da cua snippets", "tac xa cua snippets", "tac ha cua snippets", "tac ca cua snippets", "tac manh cua snippets", "tac mang cua 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: (((("tac ma cua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tac ma cua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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