Perhaps you should try some spelling variations:
"dung cong code snippets" » "dung trong code snippets", "dung cong cong snippets", "dung cong co snippets", "dung cong che snippets", "dung cong code slippers"
"nhat ban code snippets" » "nhat ban co snippets", "nhat ban cong snippets", "nhan ban code snippets", "nhat ban code slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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