Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"do duc rao snippets" » "do duc dao snippets", "do duc bao snippets", "do duc lao snippets", "dao duc rao snippets", "do duy rao snippets", "do duc rao slippers"

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: (((("do duc rao snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( do duc rao snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do duc rao snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.