Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khu dieu con snippets" » "thu dieu con snippets", "nhu dieu con snippets", "khoa dieu con snippets", "khu dieu can snippets", "khu diet con snippets", "khu dieu co 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: (((("khu dieu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khu dieu con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khu dieu con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khu dieu con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.