Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xuat cu cau snippets" » "xuat cua cau snippets", "xuat cuc cau snippets", "xuat tu cau snippets", "xuat cu cao snippets", "xuat co cau snippets", "xuat cu cu 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 cu cau 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 cu cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuat cu cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuat cu cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.