Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"thong cua cu snippets" » "thong cua code snippets", "thong quan cu snippets", "thong tu cu snippets", "huong cua cu snippets", "thong cua chu snippets", "thong cua su snippets", "thong cua co snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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