Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cu cach snippets" » "dung cu code snippets", "dung cua cach snippets", "dung co cach snippets", "dung cho cach snippets", "dung cuu cach snippets", "dung tu cach snippets", "dung ca cach snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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