Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi duc tren snippets" » "phi duoc tren snippets", "phi dua tren snippets", "phi duc tien snippets", "pham duc tren snippets", "phan duc tren snippets", "chi duoc tren snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi duc tren snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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