Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tat va cao snippets" » "dat va cao snippets", "vat va cao snippets", "sat va cao snippets", "tat va cac snippets", "tat va co snippets", "tat 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: (((("tat 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: (((("tat va cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tat va cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tat va cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.