Perhaps you should try some spelling variations:
"dung dung dat snippets" » "duong dung dat snippets", "ung dung dat snippets", "dung ung dat snippets", "dung dung va snippets", "dung dung tai snippets", "dung dung dat slippers"
"van tinh java snippets" » "van trinh java snippets", "van think java snippets", "van tinh va snippets", "van thinh java snippets", "van minh java snippets", "ban tinh java snippets", "van tinh 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: (((("dung dung dat snippets") or ("van tinh java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dung dat snippets") OR ("van tinh java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dung dat snippets ) or ( van tinh java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dung dat snippets") or ("van tinh java snippets"))) or ("locating bug code snippets"))*.