Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kim cua hon snippets" » "kim cuc hon snippets", "diem cua hon snippets", "kich cua hon snippets", "kim cua hoi snippets", "kim cua hoc snippets", "kim ca hon 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: (((("kim cua 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: (((("kim cua hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kim cua hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kim cua hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.