Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xuat can cau snippets" » "xuat canh cau snippets", "xuan can cau snippets", "xuat ban cau snippets", "xuat van cau snippets", "xuat ca cau 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 can 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 can cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuat can cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuat can cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.