Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"do duc doi snippets" » "do duc dai snippets", "do duc loi snippets", "do luc doi snippets", "dao duc doi snippets", "do duy doi 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: (((("do duc doi snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( do duc doi snippets ) or ( python using java snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("do duc doi snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.