Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh than vo snippets" » "danh thanh vo snippets", "danh thang vo snippets", "danh nhan vo snippets", "danh than va snippets", "danh than doc snippets", "danh than hoc 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: (((("danh than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("danh than vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh than vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh than vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.