Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan chi dot snippets" » "luan chi dot snippets", "van chi dot snippets", "san chi dot snippets", "lan chi dat snippets", "lan chi mot snippets", "lan chi duoc 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 dot 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 dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan chi dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan chi dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.