Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi cac phan snippets" » "phi cac nhan snippets", "phi cao phan snippets", "phi cap phan snippets", "pha cac phan snippets", "phan cac phan snippets", "phia bac phan snippets"

Try widening your search to All Fields.

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