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