Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tung manh co snippets" » "tung manh code snippets", "hung manh co snippets", "duong manh co snippets", "luong manh co snippets", "tung anh co snippets", "tung manh ho snippets", "tung danh 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: (((("tung manh co snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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