Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung phat cu snippets" » "dung phat code snippets", "dung phan cu snippets", "dang phat cu snippets", "dung chat cu snippets", "dung phat cua snippets", "dung hat cu snippets", "dung nhat cua snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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