Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets", "using java core snippets", "using java code slippers"
"dung tin luan snippets" » "dong tin luan snippets", "luong tin luan snippets", "dung tren luan snippets", "dung tin quan snippets", "dung trinh luan snippets", "dung thien luan snippets", "dung tin luan 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 tin luan 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 tin luan snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung tin luan snippets ))) or ( locating bug code snippets ))*.