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