Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"nen trinh mo snippets" » "nen trinh code snippets", "nen tranh mo snippets", "tien trinh mo snippets", "nen kinh mo snippets", "nen trinh do snippets", "nen trinh co snippets", "nen trinh hoa snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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