Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"toc duc nhan snippets" » "toc duc phan snippets", "toc dac nhan snippets", "toc luc nhan snippets", "ton duc nhan snippets", "hoc duc nhan snippets", "hoc duoc nhan snippets"

Try widening your search to All Fields.

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