Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan van hung snippets" » "dan van dung snippets", "dan manh hung snippets", "dan van duong snippets", "dang van hung snippets", "doan van hung snippets", "dao van hung 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 ("dan van hung snippets"))) or ("locating bug core snippets"))~.
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