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