Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xuat vat cac snippets" » "xuat va cac snippets", "xuat vac cac snippets", "thuat vat cac snippets", "xuat vat cach snippets", "xuat sat cac 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 vat 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: (((("xuat vat cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( xuat vat cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("xuat vat cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.