Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung do hoai snippets" » "dung doi hoai snippets", "dung co hoai snippets", "dung de hoai snippets", "dung do hoa snippets", "dung do hai snippets", "dung doi thoai 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 do hoai snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung do hoai snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung do hoai snippets"))) or ("locating bug core snippets"))*.