Perhaps you should try some spelling variations:
"duong sat thiet snippets" » "duong mat thiet snippets", "duong san thiet snippets", "duong sau thiet snippets", "duong suat thiet snippets", "duong xuat thiet snippets", "duong va thiet snippets", "duong sat thiet slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("duong sat thiet snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duong sat thiet snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( duong sat thiet snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("duong sat thiet snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.