Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"bac nam tran snippets" » "bac nam tan snippets", "bac nam tra snippets", "bac nam tren snippets", "bac am tran snippets", "ban nam tran snippets", "bau nam tran 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 ("bac nam tran snippets"))) or ("locating bug core snippets"))~.
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