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