Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"phi ban tran snippets" » "phi ban trang snippets", "phi tan tran snippets", "phi ban than snippets", "phi san tran snippets", "phi van tran snippets", "pha ban tran snippets"

Try widening your search to All Fields.

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