Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khanh hoa te snippets" » "thanh hoa te snippets", "hang hoa te snippets", "khanh hoa he snippets", "khanh hoa le snippets", "khanh hoa tp 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: (((("khanh hoa te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khanh hoa te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khanh hoa te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khanh hoa te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.