Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"danh dao ve snippets" » "doanh dao ve snippets", "lanh dao ve snippets", "danh dau ve snippets", "danh bao ve snippets", "danh dap ve 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 dao ve 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 dao ve snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( danh dao ve snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("danh dao ve snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.