Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"minh hang o2 snippets" » "minh hang code snippets", "minh hoang o2 snippets", "minh quang o2 snippets", "minh trang o2 snippets", "minh hang hoa snippets", "minh hang rok snippets", "minh hang ton snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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