Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuc ma do snippets" » "thuoc ma do snippets", "thuc va do snippets", "thuc ha do snippets", "thuc mau do snippets", "thuc may do snippets", "thuc ma so 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: (((("thuc ma 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: (((("thuc ma do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuc ma do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc ma do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.