Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh mach cap snippets" » "tinh mach cap snippets", "trinh lich cap snippets", "trinh minh cap snippets", "trinh sach cap snippets", "trinh mach cao snippets", "trinh mac ca snippets"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh mach cap snippets") or ("dung cac code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh mach cap snippets") OR ("dung cac code snippets"))) OR ("locating bugs code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("trinh mach cap snippets") or ("dung cac code snippets"))) or ("locating bugs code snippets"))*.