Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"tu doi xua snippets" » "tu doi cua snippets", "tu doi xa snippets", "tu hoi xuat snippets", "tu do xua snippets", "te doi xua snippets", "tu di xua 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: (((("tu doi xua snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( tu doi xua snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tu doi xua snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.