Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"tra phan cau snippets" » "tri phan cau snippets", "toan phan cau snippets", "than phan cau snippets", "tra phan dau snippets", "tra phan cac snippets", "tra phan tu 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 ("tra phan cau snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tra phan cau snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tra phan cau snippets"))) or ("locating bugs code snippets"))*.