Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"may thuy doc snippets" » "ha thuy doc snippets", "may phay doc snippets", "tay thu doc snippets", "may thuy do snippets", "may thuat doc snippets", "may thuy dong 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: (((("may thuy doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("may thuy doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( may thuy doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("may thuy doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.