Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"ban cam phu snippets" » "ban can phu snippets", "ban ham phu snippets", "bay cam phu snippets", "ban cam thu snippets", "ban chau phu snippets"

Try widening your search to All Fields.

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