Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"quan dan cac snippets" » "quan dan code snippets", "quan doan cac snippets", "quan den cac snippets", "quan van cac snippets", "quan dan cach snippets", "quan dang cac snippets", "quan dan ca snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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