Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"trinh de bat snippets" » "trinh den bat snippets", "trinh do bat snippets", "trinh he bat snippets", "trinh de dat snippets", "trinh de bao snippets", "trinh de bat slippers"
"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", "dung cac code slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("trinh de bat 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 de bat snippets") OR ("dung cac code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( trinh de bat snippets ) or ( dung cac code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh de bat snippets") or ("dung cac code snippets"))) or ("locating bugs code snippets"))*.