Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi hai cua snippets" » "dai hai cua snippets", "do hai cua snippets", "doc hai cua snippets", "doi thai cua snippets", "doi hoi cua snippets", "doi dai cua 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 hai cua 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 hai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi hai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi hai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.