Perhaps you should try some spelling variations:
"sinh kiem dat snippets" » "trinh kiem dat snippets", "binh khiem dat snippets", "sinh vien dat snippets", "sinh kiem sat snippets", "sinh kiem soat snippets", "sinh kiem va snippets", "sinh kiem 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: (((("sinh kiem 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: (((("sinh kiem dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( sinh kiem dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("sinh kiem dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.