Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cu uoc snippets" » "dung cu code snippets", "dung cua uoc snippets", "dung co uoc snippets", "dung cho uoc snippets", "dung cu soc snippets", "dung cua nuoc snippets", "dung cua quoc snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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