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