Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bac than vo snippets" » "bac thanh vo snippets", "bac thang vo snippets", "ban than vo snippets", "bac than va snippets", "bac than doc snippets", "bac than hoc 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: (((("bac than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bac than vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bac than vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bac than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.