Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cuon va danh snippets" » "chon va danh snippets", "buon va danh snippets", "con va danh snippets", "cuon va dinh snippets", "cuon va dan snippets", "cuon va hanh snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("cuon va danh snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuon va danh snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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