Perhaps you should try some spelling variations:
"nang luong dat snippets" » "nang song dat snippets", "nang luong dao snippets", "nang luong vat snippets", "nang luong mat snippets", "nang luong dat slippers"
"anh java java snippets" » "anh va java snippets", "anh 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: (((("anh java java snippets") or ("nang luong dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("anh java java snippets") OR ("nang luong dat snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( anh java java snippets ) or ( nang luong dat snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("anh java java snippets") or ("nang luong dat snippets"))) or ("locating bug code snippets"))*.