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