Perhaps you should try some spelling variations:
"data using java snippets" » "data using data snippets", "data using java slippers"
"dang vung dat snippets" » "dang hung dat snippets", "dan vung dat snippets", "dang dung dat snippets", "dang vung va snippets", "dang vung dat 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: (((("dang vung dat snippets") or ("data using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang vung dat snippets") OR ("data using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dang vung dat snippets ) or ( data using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dang vung dat snippets") or ("data using java snippets"))) or ("locating bug code snippets"))*.