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