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