Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tap ban tran snippets" » "tap ban trang snippets", "tap tan tran snippets", "tap ban than snippets", "tai ban tran snippets", "tap van tran snippets", "tap bai tran snippets"

Try widening your search to All Fields.

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