Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan vat ca snippets" » "phan van ca snippets", "nhan vat ca snippets", "phap vat ca snippets", "phan vat cua snippets", "phan vat va snippets", "phan vat co 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: (((("phan vat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan vat ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan vat ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan vat ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.