Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"cong vinh so snippets" » "cong trinh so snippets", "trong vinh so snippets", "cong viec so snippets", "cong vinh son snippets", "cong dinh so snippets", "cong hinh so 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 ("cong vinh so snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( cong vinh so snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("cong vinh so snippets"))) or ("locating bugs code snippets"))*.