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