Perhaps you should try some spelling variations:
"viet nhanh ha snippets" » "viet thanh ha snippets", "viet anh ha snippets", "viet phan ha snippets", "viet thanh hoa snippets", "viet thanh hai snippets", "viet khanh hoa snippets", "viet nhanh ha slippers"
"using real java snippets" » "using metal java snippets", "using raw java snippets", "using real java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("viet nhanh ha snippets") or ("using real java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet nhanh ha snippets") OR ("using real java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( viet nhanh ha snippets ) or ( using real java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet nhanh ha snippets") or ("using real java snippets"))) or ("locating bug code snippets"))*.