Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"so thiet cac snippets" » "so thiet code snippets", "so thien cac snippets", "so thieu cac snippets", "so thuyet cac snippets", "soc thiet cac snippets", "hoc thiet cac snippets", "hoa thiet cac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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