Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan ba tang snippets" » "phan bo tang snippets", "phan dau tang snippets", "phan lap tang snippets", "phan bai tang snippets", "phan ha tang snippets", "phan ca tang snippets"

Try widening your search to All Fields.

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