Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap vat dot snippets" » "phap luat dot snippets", "phap phat dot snippets", "phap viet dot snippets", "phap va dot snippets", "phap vat doi snippets", "phap vat duoc 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 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: (((("phap vat dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap vat dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap vat dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.