Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat lich cau snippets" » "vat lieu cau snippets", "vat li cau snippets", "vat lich chau snippets", "vat lich can snippets", "vat tich 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: (((("vat lich 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: (((("vat lich cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat lich cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat lich cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.