Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"kho tu cau snippets" » "kho tu code snippets", "kho mu cau snippets", "cho tu cau snippets", "pho tu cau snippets", "kho tu cac snippets", "kho cu cau snippets", "kho tu can 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: (((("kho tu cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho tu cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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