Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung ve triet snippets" » "dung va trien snippets", "dung su triet snippets", "dung va triet snippets", "dung he triet snippets", "dung de triet 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 code snippets") OR ("dung ve triet snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung ve triet snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung ve triet snippets"))) or ("locating bug core snippets"))*.