Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung nhat cu snippets" » "dung nhat code snippets", "dung nhan cu snippets", "dang nhat cu snippets", "dung nha cu snippets", "dung nhat cua snippets", "dung nhat tu snippets", "dung nhat vu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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