Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lam cau cua snippets" » "lam chu cua snippets", "lam dau cua snippets", "nam cau cua snippets", "lam cau qua snippets", "lam ca cua snippets", "lam cu 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: (((("lam cau 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: (((("lam cau cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lam cau cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lam cau cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.