Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat dung hon snippets" » "vat dung hon snippets", "dat dung hon snippets", "hai dung hon snippets", "hat dung hong snippets", "hat dung hoc snippets", "hat dung con 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 dung hon 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 dung hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat dung hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat dung hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.