Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"trinh cham cac snippets" » "trinh chat cac snippets", "trinh chao cac snippets", "trinh han cac snippets", "trinh cho cac snippets", "trinh cham soc snippets", "trinh cua cac snippets"
"dung ung code snippets" » "dung trung code snippets", "dung quang code snippets", "dung chung code snippets", "dung ung co snippets", "dung bug code snippets"

Try widening your search to All Fields.

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