Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"ton duc cong snippets" » "ton duc cuong snippets", "ton dung cong snippets", "ton nuoc cong snippets", "tran duc cong snippets", "tong cuc cong snippets", "tinh duc cong 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 ("ton duc cong snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( ton duc cong snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("ton duc cong snippets"))) or ("locating bugs code snippets"))*.