Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets", "using java java slippers"
"viet phan tai snippets" » "viet thanh tai snippets", "viet ha tai snippets", "viet van tai snippets", "viet pham tai snippets", "viet nhan tai snippets", "viet phan thi snippets", "viet phan tai slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 java snippets") or ("viet phan tai snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("viet phan tai snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( viet phan tai snippets ))) or ( locating bug code snippets ))*.