Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi thu phan snippets" » "phi thu nhan snippets", "phi thuat phan snippets", "phi than phan snippets", "phai thu phan snippets", "thi thu phan snippets", "phi thi phan 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 ("phi thu phan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("phi thu phan snippets"))) OR ("locating bug core snippets")).
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