Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kho danh da snippets" » "khao danh da snippets", "khop danh da snippets", "kho canh da snippets", "kho danh dau snippets", "kho dan da snippets", "kho danh ca 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: (((("kho danh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kho danh da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kho danh da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kho danh da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.