Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"quan vi cac snippets" » "quan li cac snippets", "quan tri cac snippets", "quan doi cac snippets", "quan voi cac snippets", "quan vai cac snippets", "quan va cac 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 code snippets") OR ("quan vi cac snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( quan vi cac snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("quan vi cac snippets"))) or ("locating bug core snippets"))*.