Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"quan tu chiu snippets" » "quan su chiu snippets", "tuan tu chiu snippets", "xuan tu chiu snippets", "quan tu chu 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 tu chiu 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 tu chiu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( quan tu chiu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("quan tu chiu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.