Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"phi nhan cua snippets" » "phi nhan code snippets", "khi nhan cua snippets", "phi phan cua snippets", "thi nhan cua snippets", "phi nhat cua snippets", "phi nhan luc snippets", "phi nhan su snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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