Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"thu cac nhan snippets" » "thu ca nhan snippets", "thu cac nha snippets", "thu cam nhan snippets", "tu cac nhan snippets", "thu xac nhan snippets", "thu cuc 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 ("thu cac 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 ("thu cac nhan snippets"))) OR ("locating bug core snippets")).
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