Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nghe so le snippets" » "nghe so code snippets", "nghe son le snippets", "nghe co le snippets", "nghiep so le snippets", "nghe so ly snippets", "nghe do le snippets", "nghe so li snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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