Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thau va toan snippets" » "thau va code snippets", "thai va toan snippets", "than va toan snippets", "thac va toan snippets", "thau van toan snippets", "thau bai toan snippets", "thau tap toan 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: (((("thau va toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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