Perhaps you should try some spelling variations:
"luan hung dat snippets" » "luan chung dat snippets", "lan hung dat snippets", "luan ung dat snippets", "luan dung dat snippets", "luan vung dat snippets", "luan hung dao snippets", "luan hung 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: (((("luan hung 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: (((("luan hung dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luan hung dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luan hung dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.