Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"van vung code snippets" » "van bug code snippets", "van vung co snippets", "van vuong code snippets", "van dung code snippets", "van hung code snippets"
"locating bug core snippets" » "locating bug code 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: (((("using java java snippets") OR ("van vung code snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( van vung code snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java java snippets") or ("van vung code snippets"))) or ("locating bug core snippets"))*.