Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chuc dung de snippets" » "thuc dung de snippets", "thuoc dung de snippets", "chuc nang de snippets", "chuc dung he snippets", "chuc dung dat 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: (((("chuc dung de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chuc dung de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chuc dung de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chuc dung de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.