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