Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat dam cao snippets" » "hat dan cao snippets", "hat dao cao snippets", "hat dum cao snippets", "hat dam bao snippets", "hat nam cao snippets", "hat dam rao 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: (((("hat dam 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: (((("hat dam cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat dam cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat dam cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.