Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran tuan so snippets" » "tran tuan code snippets", "tran xuan so snippets", "tran quang so snippets", "tran thanh so snippets", "tran quan so snippets", "tran than so snippets", "tran tuan do snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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