Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duong duc co snippets" » "duong duc code snippets", "luong duc co snippets", "duong qua co snippets", "dang duc co snippets", "duong duoc co snippets", "duong duc con snippets", "duong tuc co snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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