Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung san cua snippets" » "dung san code snippets", "dong san cua snippets", "dung sai cua snippets", "dung luan cua snippets", "dung sang cua snippets", "dung ban cua snippets", "dung dan cua snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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