Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran hoan so snippets" » "tran hoan code snippets", "tran hoang so snippets", "tuan hoan so snippets", "tran doan so snippets", "tran khoan so snippets", "tran hon so snippets", "tran hoang son snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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