Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doanh va son snippets" » "doan va son snippets", "doanh tai son snippets", "doanh cua son snippets", "doanh van son snippets", "doanh va con snippets", "doanh va san 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 va son 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 va son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doanh va son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doanh va son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.