Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc tang cac snippets" » "duc tang code snippets", "duc thang cac snippets", "duc tan cac snippets", "tuc tang cac snippets", "duc bang cac snippets", "duc hang cac snippets", "duc tang ca snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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