Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"lan chi cao snippets" » "lan chi code snippets", "luan chi cao snippets", "van chi cao snippets", "san chi cao snippets", "lan chi dao snippets", "lan chi bao snippets", "lan cho cao snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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

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