Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hat tai cau snippets" » "chat tai cau snippets", "nhat tai cau snippets", "han tai cau snippets", "hat tai cac snippets", "hat tai cao 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 tai cau 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 tai cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hat tai cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hat tai cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.