Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"lan anh trinh snippets" » "lan hanh trinh snippets", "lan anh tinh snippets", "lan thanh trinh snippets", "van anh trinh snippets", "tuan anh trinh snippets", "lan anh trinh 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: (((("lan anh trinh snippets") or ("dung cac code snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan anh trinh snippets") OR ("dung cac code snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( lan anh trinh snippets ) or ( dung cac code snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan anh trinh snippets") or ("dung cac code snippets"))) or ("locating bugs code snippets"))*.