Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat tac cua snippets" » "hat sac cua snippets", "hat tai cua snippets", "thuat tac cua snippets", "hat tac quan snippets", "hat thuc cua 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 tac cua 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 tac cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat tac cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat tac cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.