Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tran cac san snippets" » "tranh cac san snippets", "tran chau san snippets", "tran mach san snippets", "tran cac dan snippets", "tran cac van snippets", "tran cac ban snippets"

Try widening your search to All Fields.

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