Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat va hoi snippets" » "chat va hoi snippets", "hat van hoi snippets", "dat va hoi snippets", "hat xa hoi snippets", "hat va hoc snippets", "hat va hoa 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 va hoi 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 va hoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat va hoi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat va hoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.