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