Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung van c snippets" » "dung van code snippets", "duong van c snippets", "dung va c snippets", "dang van c snippets", "dung van ca snippets", "dung van co snippets", "dung van cu snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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