Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"hat van tran snippets" » "hat van trang snippets", "hat van tranh snippets", "hat van tuan snippets", "hoat van tran snippets", "ha van tran snippets", "hai van tran snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("hat van tran snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hat van tran snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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