Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nhung cau de snippets" » "nhung cau code snippets", "chung cu de snippets", "nhung bai de snippets", "nhu cau de snippets", "nhung cau den snippets", "nhung cau do snippets", "nhung cuu de snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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