Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thap su do snippets" » "thap du do snippets", "phap su do snippets", "khap su do snippets", "thap su dao snippets", "thap su doi snippets", "thap so do 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: (((("thap su do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thap su do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thap su do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thap su do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.