Perhaps you should try some spelling variations:
"tran chap dat snippets" » "tranh chap dat snippets", "tran chau dat snippets", "trang cham dat snippets", "tran phap day snippets", "tran cai dat snippets", "tran lap dat snippets", "tran chap 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: (((("tran chap 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: (((("tran chap dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran chap dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran chap dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.