Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tran quoc o snippets" » "tran quoc code snippets", "trung quoc o snippets", "han quoc o snippets", "tran duc o snippets", "tran quoc co snippets", "tran quoc lo snippets", "tran quoc so snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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