Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bach va cao snippets" » "bach van cao snippets", "bach ha cao snippets", "sach va cao snippets", "bach va cac snippets", "bach va co snippets", "bach va dao 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: (((("bach va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bach va cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bach va cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bach va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.