Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dan cho cay snippets" » "dan cho code snippets", "danh cho cay snippets", "san cho cay snippets", "dac cho cay snippets", "dan cho cac snippets", "dan cho vay snippets", "dan cho can snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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