Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc thu cua snippets" » "luc thi cua snippets", "luc tu cua snippets", "cuc thue cua snippets", "luc thuc cua snippets", "luc hu cua 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: (((("luc thu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luc thu cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc thu cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc thu cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.