Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao hung cao snippets" » "ha hung cao snippets", "hai hung cao snippets", "ham hung cao snippets", "hao phung cao snippets", "hao hung dao snippets", "hao nung cao 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: (((("hao hung cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hao hung cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao hung cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao hung cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.