Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"khoe con cac snippets" » "khoe con code snippets", "khoe cong cac snippets", "khoa cong cac snippets", "khong con cac snippets", "khoe chon cac snippets", "khoe co cac snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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