Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi phat con snippets" » "dai phat con snippets", "dao phat con snippets", "hoc phat con snippets", "doi phai con snippets", "doi phau con snippets", "doi phan cong 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 phat con 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 phat con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi phat con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi phat con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.