Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lan wu cau snippets" » "can wu cau snippets", "fan wu cau snippets", "lin wu cau snippets", "lan cu cau snippets", "lan su cau snippets", "lan tu cau 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 wu cau 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 wu cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lan wu cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lan wu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.