Perhaps you should try some spelling variations:
"toan luat trinh snippets" » "toan thuat trinh snippets", "toan lap trinh snippets", "toan qua trinh snippets", "toan luan trinh snippets", "toan lua trinh snippets", "toan xuat trinh snippets", "toan luat trinh 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: (((("toan luat trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toan luat trinh snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan luat trinh snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan luat trinh snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.