Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"trac dan so snippets" » "trac dan code snippets", "truc dan so snippets", "tran dang so snippets", "tran danh so snippets", "trac dan soc snippets", "trac dan su snippets", "trac dan mo snippets"
"python using java snippets" » "python using data 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: (((("trac dan so snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( trac dan so snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("trac dan so snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.