Perhaps you should try some spelling variations:
"toan tran dam snippets" » "thoan tran dam snippets", "tan tran dam snippets", "hoan tran dam snippets", "toan toan dam snippets", "toan tran day snippets", "toan tran lam snippets", "toan tran dam 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 tran dam 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 tran dam snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toan tran dam snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toan tran dam snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.