Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"va duoc ton snippets" » "va duc ton snippets", "va duoc trong snippets", "va duoc dong snippets", "vat duoc ton snippets", "va cuoc ton snippets", "va doc ton 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: (((("va duoc ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("va duoc ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( va duoc ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("va duoc ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.