Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"mau do sach snippets" » "mau doc sach snippets", "mau do sanh snippets", "mau bo sach snippets", "cau do sach snippets", "dau do sach snippets", "mau co sach 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 ("mau do sach snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( mau do sach snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("mau do sach snippets"))) or ("locating bug core snippets"))*.