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