Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va thuc hoi snippets" » "va phuc hoi snippets", "va thu hoi snippets", "va thuc doi snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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: (((("va thuc hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( va thuc hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("va thuc hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.