Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan chi so snippets" » "luan chi so snippets", "van chi so snippets", "san chi so snippets", "lan chi o snippets", "lan chi mo snippets", "lan chi su snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lan chi so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan chi so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan chi so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.