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