Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"viet tran van slippers" » "viet trang van slippers", "viet tuan van slippers", "viet trung van slippers", "viet luan van slippers", "viet tran van slippery", "viet tran van grippers"
"using a java snippets" » "using _ java 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 tran van slippers") or ("using a java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("viet tran van slippers") OR ("using a java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( viet tran van slippers ) or ( using a java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("viet tran van slippers") or ("using a java snippets"))) or ("locating bugs code snippets"))*.