Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luat hon cua snippets" » "luat hoi cua snippets", "luat hop cua snippets", "luat huong cua snippets", "luat hoan cua snippets", "luat hoc 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: (((("luat hon 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: (((("luat hon cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luat hon cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luat hon cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.