Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets"
"dung may toan snippets" » "dung va toan snippets", "dung tai toan snippets", "mang may toan snippets", "dung manh toan snippets", "dung may khoan snippets", "dung bai toan snippets"
"locating bug code snippets" » "locating bug core snippets", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("dung may toan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java code snippets") OR ("dung may toan snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung may toan snippets ))) or ( locating bug code snippets ))*.