Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"trinh ha do snippets" » "trinh han do snippets", "trinh hoa do snippets", "trinh nha do snippets", "trinh hat do snippets", "trinh va do snippets", "trinh xa do 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: (((("trinh ha do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh ha do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( trinh ha do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("trinh ha do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.