Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van cau au snippets" » "van dau au snippets", "van hau au snippets", "van chat au snippets", "van chau au snippets", "van cau tu snippets", "van cau khau 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: (((("van cau au snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( van cau au snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("van cau au snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.