Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cac thoi cac snippets" » "cac thoi code snippets", "cac toi cac snippets", "cac hop cac snippets", "cac tro cac snippets", "cac thoai cac snippets", "cac tho cac snippets", "cac hoi cac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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