Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"vi tran van snippets" » "vi luan van snippets", "vi trang van snippets", "v tran van snippets", "vi than van snippets", "vi tran van slippers"
"using a java snippets" » "using _ java snippets", "using a java slippers"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vi tran van snippets") OR ("using a java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( vi tran van snippets ) or ( using a java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("vi tran van snippets") or ("using a java snippets"))) or ("locating bugs code snippets"))*.