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