Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"li trac anh snippets" » "li tran anh snippets", "li tran manh snippets", "li trang anh snippets", "li rac anh snippets", "vi trac anh snippets", "hoi trac anh 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 ("li trac anh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( li trac anh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("li trac anh snippets"))) or ("locating bug core snippets"))*.