Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dam thuc cac snippets" » "dam thuc code snippets", "am thuc cac snippets", "dan thuc cac snippets", "nam thuc cac snippets", "dam thuc cach snippets", "dam tuc cac snippets", "dam phuc cac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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