Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoi chun ho snippets" » "hoi chung ho snippets", "hoi chuc ho snippets", "hoi chu ho snippets", "hoi chung hoc snippets", "hoi chuan hoa 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: (((("hoi chun ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoi chun ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hoi chun ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hoi chun ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.