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