Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cong li don snippets" » "cong li code snippets", "cong ti don snippets", "hong li don snippets", "cong hai don snippets", "cong la don snippets", "cong li ion snippets", "cong ly don 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: (((("cong li don snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( cong li don snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("cong li don snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.