Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung hat cu snippets" » "dung hat code snippets", "dung chat cu snippets", "dung nhat cu snippets", "dung phat cu snippets", "dung hat cua snippets", "dung bat cu snippets", "dung hat ca snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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