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