Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran manh so snippets" » "tran manh code snippets", "tran minh so snippets", "tran thanh so snippets", "tran van so snippets", "tran anh so snippets", "tran mach so snippets", "tran manh ho snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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