Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dai son snippets" » "do dai son snippets", "doi dau son snippets", "doi bai son snippets", "doi dai so snippets", "doi doi song snippets", "doi thai son 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: (((("doi dai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi dai son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dai son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dai son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.