Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"yuan yong li snippets" » "luan cong li snippets", "quan dong li snippets", "quan long li snippets", "yuan cong li snippets", "yuan hong li snippets", "yuan yang li snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("yuan yong li snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("yuan yong li snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( yuan yong li snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("yuan yong li snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.