Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tran vu du snippets" » "tran tu du snippets", "tran van du snippets", "trang va du snippets", "tran vu duc snippets", "tran vu duy snippets", "tran va du 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: (((("tran vu du snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( tran vu du snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tran vu du snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.