Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"toc cay thuc snippets" » "toc cay thuoc snippets", "toc can thuc snippets", "toc day thuc snippets", "toc tay thuc snippets", "toc cao thuc snippets", "hoc cay thuc snippets"

Try widening your search to All Fields.

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