Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"gian xu cho snippets" » "gian cu cho snippets", "gian xu co snippets", "gian uu cho snippets", "giao xu cho snippets", "gia xu cho 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: (((("gian xu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("gian xu cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( gian xu cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("gian xu cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.