Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dac anh tran snippets" » "dac anh tuan snippets", "dac anh toan snippets", "dac anh trac snippets", "dac manh tran snippets", "duc anh tran snippets", "dat anh tran snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dac anh 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: (((("dac anh tran snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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