Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hay han cho snippets" » "hay hon cho snippets", "phap han cho snippets", "hay nhat cho snippets", "hay hang cho snippets", "hay han che snippets", "hay san 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 han 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 han cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hay han cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hay han cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.