Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dan hoc o snippets" » "van hoc o snippets", "dan toc o snippets", "dai hoc o snippets", "dan hoc co snippets", "dan hoc bo snippets", "dan hoc do 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: (((("python using java snippets") OR ("dan hoc o snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan hoc o snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan hoc o snippets"))) or ("locating bugs code snippets"))*.