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