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