Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"chung o case snippets" » "chung o code snippets", "chung co case snippets", "chung do case snippets", "chung hoc case snippets", "chung a case snippets", "chung _ case snippets", "chung two case snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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