Perhaps you should try some spelling variations:
"khuong tinh dat snippets" » "chuong trinh dat snippets", "phuong trinh dat snippets", "phuong binh dat snippets", "khuong tinh da snippets", "khuong dinh dat snippets", "khuong tinh dau snippets", "khuong tinh dat 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: (((("khuong tinh dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khuong tinh dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khuong tinh dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khuong tinh dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.