Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phan van mat snippets" » "pham van mat snippets", "thanh van mat snippets", "luan van mat snippets", "phan van dat snippets", "phan van man snippets", "phan van mao snippets"

Try widening your search to All Fields.

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