Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"
"dan tuy hoa snippets" » "dan quy hoa snippets", "dan tu hoa snippets", "dan tay hoa snippets", "dan thuy hoa 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: (((("dan tuy hoa snippets") or ("python using data snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tuy hoa snippets") OR ("python using data snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( dan tuy hoa snippets ) or ( python using data snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tuy hoa snippets") or ("python using data snippets"))) or ("locating bugs code snippets"))*.