Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"dung cac khoa snippets" » "luong cac khoa snippets", "dung cho khoa snippets", "dung tai khoa snippets", "dung cac khoan snippets", "dung cac khoi snippets", "dung dac khoa snippets", "dung cac khoa slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "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 cac khoa 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 cac khoa snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung cac khoa snippets ))) or ( locating bug code snippets ))*.