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