Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hay hon cho snippets" » "hay khong cho snippets", "cay hong cho snippets", "hay song cho snippets", "hay hoc cho snippets", "hay han cho snippets", "hay hoi cho 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: (((("hay hon cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hay hon cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hay hon cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hay hon cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.