Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"huu xuat cac snippets" » "huu luat cac snippets", "thue xuat cac snippets", "hoa xuat cac snippets", "huu xuat cuc snippets", "huu 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: (((("huu 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: (((("huu xuat cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( huu xuat cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("huu xuat cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.