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