Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vang ca hon snippets" » "vang cua hon snippets", "hang ca hon snippets", "tang ca hon snippets", "vang cao hon snippets", "vang cay hong 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: (((("vang ca 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: (((("vang ca hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vang ca hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vang ca hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.