Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao dan so snippets" » "dao dan so snippets", "hao van so snippets", "hat dan so snippets", "hao dan soc snippets", "hao dan su snippets", "hao dan mo 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 dan so 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 dan so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao dan so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao dan so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.