Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hoc duc nhan snippets" » "hoc duc phan snippets", "hoc dac nhan snippets", "hoc luc nhan snippets", "hoc duoc nhan snippets", "hoc nuoc nhan snippets", "hoc thuc 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 ("hoc 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 ("hoc duc nhan snippets"))) OR ("locating bug core snippets")).
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