Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vat nhan dot snippets" » "van nhan dot snippets", "hat nhan dot snippets", "sat nhan dot snippets", "vat nhan dat snippets", "vat nhay dot snippets", "vat nhan dong 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 nhan dot 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 nhan dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vat nhan dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vat nhan dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.