Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java java snippets" » "using data java snippets"
"van luong vo snippets" » "van duong vo snippets", "van cuong vo snippets", "nang luong vo snippets", "van luong von snippets", "van luong va snippets"

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: (((("van luong vo snippets") OR ("using java java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( van luong vo snippets ) or ( using java java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van luong vo snippets") or ("using java java snippets"))) or ("locating bugs code snippets"))*.