Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trinh de ton snippets" » "trinh de code snippets", "trinh den ton snippets", "trinh do ton snippets", "trinh he ton snippets", "trinh de toni snippets", "trinh de tin snippets", "trinh ke ton snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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