Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan dot cao snippets" » "nhan dat cao snippets", "nhay dot cao snippets", "nhan dong cao snippets", "nhan do cao snippets", "nhan doc cao 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: (((("nhan dot 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: (((("nhan dot cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan dot cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan dot cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.