Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"van tac phi snippets" » "van thac phi snippets", "van tai phi snippets", "van tan phi snippets", "van tac thi snippets", "van tac phu snippets", "van tac pham 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 ("van tac phi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van tac phi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van tac phi snippets"))) or ("locating bug core snippets"))*.